<< Chapter < Page Chapter >> Page >
This module is from Fundamentals of Mathematics by Denny Burzynski and Wade Ellis, Jr. This module is an exercise supplement for the chapter "Exponents, Roots, Factorization of Whole Numbers" and contains many exercise problems. Odd problems are accompanied by solutions.

Exercise supplement

Exponents and roots ( [link] )

For problems 1 -25, determine the value of each power and root.

3 3 size 12{3 rSup { size 8{3} } } {}

27

Got questions? Get instant answers now!

4 3 size 12{4 rSup { size 8{3} } } {}

Got questions? Get instant answers now!

0 5 size 12{0 rSup { size 8{5} } } {}

0

Got questions? Get instant answers now!

1 4 size 12{1 rSup { size 8{4} } } {}

Got questions? Get instant answers now!

12 2 size 12{"12" rSup { size 8{2} } } {}

144

Got questions? Get instant answers now!

7 2 size 12{7 rSup { size 8{2} } } {}

Got questions? Get instant answers now!

8 2 size 12{8 rSup { size 8{2} } } {}

64

Got questions? Get instant answers now!

11 2 size 12{"11" rSup { size 8{2} } } {}

Got questions? Get instant answers now!

2 5 size 12{2 rSup { size 8{5} } } {}

32

Got questions? Get instant answers now!

3 4 size 12{3 rSup { size 8{4} } } {}

Got questions? Get instant answers now!

15 2 size 12{"15" rSup { size 8{2} } } {}

225

Got questions? Get instant answers now!

20 2 size 12{"20" rSup { size 8{2} } } {}

Got questions? Get instant answers now!

25 2 size 12{"25" rSup { size 8{2} } } {}

625

Got questions? Get instant answers now!

36 size 12{ sqrt {"36"} } {}

Got questions? Get instant answers now!

225 size 12{ sqrt {"225"} } {}

15

Got questions? Get instant answers now!

64 3 size 12{ nroot { size 8{3} } {"64"} } {}

Got questions? Get instant answers now!

16 4 size 12{ nroot { size 8{4} } {"16"} } {}

2

Got questions? Get instant answers now!

0 size 12{ sqrt {0} } {}

Got questions? Get instant answers now!

1 3 size 12{ nroot { size 8{3} } {1} } {}

1

Got questions? Get instant answers now!

216 3 size 12{ nroot { size 8{3} } {"216"} } {}

Got questions? Get instant answers now!

144 size 12{ sqrt {"144"} } {}

12

Got questions? Get instant answers now!

196 size 12{ sqrt {"196"} } {}

Got questions? Get instant answers now!

1 size 12{ sqrt {1} } {}

1

Got questions? Get instant answers now!

0 4 size 12{ nroot { size 8{4} } {0} } {}

Got questions? Get instant answers now!

64 6 size 12{ nroot { size 8{6} } {"64"} } {}

2

Got questions? Get instant answers now!

Section 3.2

For problems 26-45, use the order of operations to determine each value.

2 3 2 4 size 12{2 rSup { size 8{3} } - 2 cdot 4} {}

Got questions? Get instant answers now!

5 2 10 2 5 size 12{5 rSup { size 8{2} } - "10" cdot 2 - 5} {}

0

Got questions? Get instant answers now!

81 3 2 + 6 2 size 12{ sqrt {"81"} - 3 rSup { size 8{2} } +6 cdot 2} {}

Got questions? Get instant answers now!

15 2 + 5 2 2 2 size 12{"15" rSup { size 8{2} } +5 rSup { size 8{2} } cdot 2 rSup { size 8{2} } } {}

325

Got questions? Get instant answers now!

3 2 2 + 3 2 size 12{3 cdot left (2 rSup { size 8{2} } +3 rSup { size 8{2} } right )} {}

Got questions? Get instant answers now!

64 3 2 2 3 size 12{"64" cdot left (3 rSup { size 8{2} } - 2 rSup { size 8{3} } right )} {}

64

Got questions? Get instant answers now!

5 2 + 1 13 + 3 3 + 1 14 size 12{ { {5 rSup { size 8{2} } +1} over {"13"} } + { {3 rSup { size 8{3} } +1} over {"14"} } } {}

Got questions? Get instant answers now!

6 2 1 5 7 49 + 7 2 7 size 12{ { {6 rSup { size 8{2} } - 1} over {5 cdot 7} } - { {"49"+7} over {2 cdot 7} } } {}

-3

Got questions? Get instant answers now!

2 3 + 5 2 2 + 1 5 2 3 3 2 size 12{ { {2 cdot left [3+5 left (2 rSup { size 8{2} } +1 right ) right ]} over {5 cdot 2 rSup { size 8{3} } - 3 rSup { size 8{2} } } } } {}

Got questions? Get instant answers now!

3 2 2 5 1 4 2 3 + 25 2 5 2 + 5 + 2 size 12{ { {3 rSup { size 8{2} } cdot left [2 rSup { size 8{5} } - 1 rSup { size 8{4} } left (2 rSup { size 8{3} } +"25" right ) right ]} over {2 cdot 5 rSup { size 8{2} } +5+2} } } {}

9 57 size 12{ - { {9} over {"57"} } } {}

Got questions? Get instant answers now!

5 2 2 3 2 7 2 2 1 + 5 3 2 3 2 + 1 size 12{ { { left (5 rSup { size 8{2} } - 2 rSup { size 8{3} } right ) - 2 cdot 7} over {2 rSup { size 8{2} } - 1} } +5 cdot left [ { {3 rSup { size 8{2} } - 3} over {2} } +1 right ]} {}

Got questions? Get instant answers now!

8 3 2 + 2 + 3 2 2 size 12{ left (8 - 3 right ) rSup { size 8{2} } + left (2+3 rSup { size 8{2} } right ) rSup { size 8{2} } } {}

146

Got questions? Get instant answers now!

3 2 4 2 + 25 + 2 3 81 3 2 size 12{3 rSup { size 8{2} } cdot left (4 rSup { size 8{2} } + sqrt {"25"} right )+2 rSup { size 8{3} } cdot left ( sqrt {"81"} - 3 rSup { size 8{2} } right )} {}

Got questions? Get instant answers now!

16 + 9 size 12{ sqrt {"16"+9} } {}

5

Got questions? Get instant answers now!

16 + 9 size 12{ sqrt {"16"} + sqrt {9} } {}

Got questions? Get instant answers now!

Compare the results of problems 39 and 40. What might we conclude?

The sum of square roots is not necessarily equal to the square root of the sum.

Got questions? Get instant answers now!

18 2 size 12{ sqrt {"18" cdot 2} } {}

Got questions? Get instant answers now!

6 6 size 12{ sqrt {6 cdot 6} } {}

6

Got questions? Get instant answers now!

7 7 size 12{ sqrt {7 cdot 7} } {}

Got questions? Get instant answers now!

8 8 size 12{ sqrt {8 cdot 8} } {}

8

Got questions? Get instant answers now!

An records the number of identical factors that are repeated in a multiplication.

Got questions? Get instant answers now!

Prime factorization of natural numbers ( [link] )

For problems 47- 53, find all the factors of each num­ber.

What number is the smallest prime number?

Got questions? Get instant answers now!

Grouping symbol and the order of operations ( [link] )

For problems 55 -64, write each number as a product of prime factors.

55

5 11 size 12{5 cdot "11"} {}

Got questions? Get instant answers now!

80

2 4 5 size 12{2 rSup { size 8{4} } cdot 5} {}

Got questions? Get instant answers now!

700

2 2 5 2 7 size 12{2 rSup { size 8{2} } cdot 5 rSup { size 8{2} } cdot 7} {}

Got questions? Get instant answers now!

1,614

2 3 269 size 12{2 cdot 3 cdot "269"} {}

Got questions? Get instant answers now!

The greatest common factor ( [link] )

For problems 65 - 75, find the greatest common factor of each collection of numbers.

The least common multiple ( [link] )

For problems 76-86, find the least common multiple of each collection of numbers.

135, 147, and 324

79, 380

Got questions? Get instant answers now!

Find all divisors of 24.

1, 2, 3, 4, 6, 8, 12, 24

Got questions? Get instant answers now!

Write all divisors of 2 3 5 2 7 size 12{2 rSup { size 8{3} } cdot 5 rSup { size 8{2} } cdot 7} {} .

1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 700, 1,400

Got questions? Get instant answers now!

Write all divisors of 6 8 2 10 3 size 12{6 cdot 8 rSup { size 8{2} } cdot "10" rSup { size 8{3} } } {} .

Got questions? Get instant answers now!

Does 7 divide 5 3 6 4 7 2 8 5 size 12{5 rSup { size 8{3} } cdot 6 rSup { size 8{4} } cdot 7 rSup { size 8{2} } cdot 8 rSup { size 8{5} } } {} ?

yes

Got questions? Get instant answers now!

Does 13 divide 8 3 10 2 11 4 13 2 15 size 12{8 rSup { size 8{3} } cdot "10" rSup { size 8{2} } cdot "11" rSup { size 8{4} } cdot "13" rSup { size 8{2} } cdot "15"} {} ?

Got questions? Get instant answers now!

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Fundamentals of mathematics. OpenStax CNX. Aug 18, 2010 Download for free at http://cnx.org/content/col10615/1.4
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Fundamentals of mathematics' conversation and receive update notifications?

Ask