Powers and Exponents

Question 1

Haley’s work evaluating is shown below.Which statement best describe Haley’s first error?

Revolt · Accepted Answer

She made a sign error when multiplying and should have had 256 as a final answer.

Question 2

Which pair of expressions has equivalent values?

Revolt · Accepted Answer

and

Question 3

Which expression is equivalent to ?

Revolt · Accepted Answer

2 times 5 times 5 times 5 times 5

Question 4

Which expression is rewritten in exponential form?

Revolt · Accepted Answer

m Superscript 5

Question 5

What is the base of the expression ?

Revolt · Accepted Answer

11

Question 6

Which expression is equivalent to ?

Revolt · Accepted Answer

6 times 6 times 6

Question 7

Geri believed the answer to one of her homework problems was . After checking her work, she realized the correct answer was . How do these two answers compare?

Revolt · Accepted Answer

The correct answer is 64 times Geri’s original answer.

Question 8

Which expression is equivalent to ?

Revolt · Accepted Answer

9 times 9 times 9 times 9 times 9

Question 9

Which expressions have a value of ? Check all that apply.

Revolt · Accepted Answer

(Negative one-fourth) cubed; Negative (one-fourth) cubed; Negative (StartFraction 1 Over 8 EndFraction) squared; Negative (one-half) Superscript 6

Question 10

Jim’s work evaluating is shown below.Which statement best describe Jim’s first error?

Revolt · Accepted Answer

He did not apply the power to the denominator of .

Powers and Exponents Answers

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