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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 to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket 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
I'm interested in nanotube
Uday
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
Hello
Uday
I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
can nanotechnology change the direction of the face of the world
Prasenjit Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit 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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