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770,311,101

seven hundred seventy million, three hundred eleven thousand, one hundred one

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106,100,001,010

one hundred six billion, one hundred million, one thousand ten

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800,000,800,000

eight hundred billion, eight hundred thousand

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A particular community college has 12,471 students enrolled.

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A person who watches 4 hours of television a day spends 1460 hours a year watching T.V.

four; one thousand, four hundred sixty

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Astronomers believe that the age of the earth is about 4,500,000,000 years.

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Astronomers believe that the age of the universe is about 20,000,000,000 years.

twenty billion

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There are 9690 ways to choose four objects from a collection of 20.

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If a 412 page book has about 52 sentences per page, it will contain about 21,424 sentences.

four hundred twelve; fifty-two; twenty-one thousand, four hundred twenty-four

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In 1980, in the United States, there was $1,761,000,000,000 invested in life insurance.

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In 1979, there were 85,000 telephones in Alaska and 2,905,000 telephones in Indiana.

one thousand, nine hundred seventy-nine; eighty-five thousand; two million, nine hundred five thousand

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In 1975, in the United States, it is estimated that 52,294,000 people drove to work alone.

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In 1980, there were 217 prisoners under death sentence that were divorced.

one thousand, nine hundred eighty; two hundred seventeen

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In 1979, the amount of money spent in the United States for regular-session college educa­tion was $50,721,000,000,000.

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In 1981, there were 1,956,000 students majoring in business in U.S. colleges.

one thousand, nine hundred eighty one; one million, nine hundred fifty-six thousand

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In 1980, the average fee for initial and follow up visits to a medical doctors office was about $34.

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In 1980, there were approximately 13,100 smugglers of aliens apprehended by the Immigration border patrol.

one thousand, nine hundred eighty; thirteen thousand, one hundred

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In 1980, the state of West Virginia pumped 2,000,000 barrels of crude oil, whereas Texas pumped 975,000,000 barrels.

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The 1981 population of Uganda was 12,630,000 people.

twelve million, six hundred thirty thousand

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In 1981, the average monthly salary offered to a person with a Master's degree in mathematics was $1,685.

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For the following problems, write each number using digits.

Six hundred eighty-one

681

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Seven thousand, two hundred one

7,201

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Nineteen thousand, sixty-five

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Five hundred twelve thousand, three

512,003

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Two million, one hundred thirty-three thousand, eight hundred fifty-nine

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Thirty-five million, seven thousand, one hundred one

35,007,101

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One hundred million, one thousand

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Sixteen billion, fifty-nine thousand, four

16,000,059,004

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Nine hundred twenty billion, four hundred sev­enteen million, twenty-one thousand

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Twenty-three billion

23,000,000,000

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Fifteen trillion, four billion, nineteen thousand, three hundred five

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One hundred trillion, one

100,000,000,000,001

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Exercises for review

( [link] ) How many digits are there?

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( [link] ) In the number 6,641, how many tens are there?

4

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( [link] ) What is the value of 7 in 44,763?

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( [link] ) Is there a smallest whole number? If so, what is it?

yes, zero

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( [link] ) Write a four-digit number with a 9 in the tens position.

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Questions & Answers

how do they get the third part x = (32)5/4
kinnecy Reply
can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
sure. what is your question?
ninjadapaul
20/(×-6^2)
Salomon
okay, so you have 6 raised to the power of 2. what is that part of your answer
ninjadapaul
I don't understand what the A with approx sign and the boxed x mean
ninjadapaul
it think it's written 20/(X-6)^2 so it's 20 divided by X-6 squared
Salomon
I'm not sure why it wrote it the other way
Salomon
I got X =-6
Salomon
ok. so take the square root of both sides, now you have plus or minus the square root of 20= x-6
ninjadapaul
oops. ignore that.
ninjadapaul
so you not have an equal sign anywhere in the original equation?
ninjadapaul
Commplementary angles
Idrissa Reply
hello
Sherica
im all ears I need to learn
Sherica
right! what he said ⤴⤴⤴
Tamia
what is a good calculator for all algebra; would a Casio fx 260 work with all algebra equations? please name the cheapest, thanks.
Kevin Reply
a perfect square v²+2v+_
Dearan Reply
kkk nice
Abdirahman Reply
algebra 2 Inequalities:If equation 2 = 0 it is an open set?
Kim Reply
or infinite solutions?
Kim
The answer is neither. The function, 2 = 0 cannot exist. Hence, the function is undefined.
Al
y=10×
Embra Reply
if |A| not equal to 0 and order of A is n prove that adj (adj A = |A|
Nancy Reply
rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
Bridget Reply
Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
Mary Reply
is it 3×y ?
Joan Reply
J, combine like terms 7x-4y
Bridget Reply
how do you translate this in Algebraic Expressions
linda Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
Privacy Information Security Software Version 1.1a
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7hours 36 min - 4hours 50 min
Tanis Reply

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Source:  OpenStax, Fundamentals of mathematics. OpenStax CNX. Aug 18, 2010 Download for free at http://cnx.org/content/col10615/1.4
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