Operations with Scientific Notation — Unit test

Question 1

Which expressions can be simplified as ? Check all that apply.

Revolt · Accepted Answer

(5 n Superscript negative 3 Baseline) Superscript 4; (25 n Superscript negative 6 Baseline) Superscript 2

Question 2

Jed needs to estimate the value of . Which statements should he consider? Check all that apply.

Revolt · Accepted Answer

is approximately 0.5.; The number will be large because .; He will need to rewrite the preliminary result in scientific notation.

Question 3

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

Revolt · Accepted Answer

(Two-thirds) Superscript 4; (StartFraction 4 Over 9 EndFraction) squared

Question 4

Estimate the following product in scientific notation, and then select the best answer for the product’s power of 10.

Revolt · Accepted Answer

15

Question 5

What is the value of b in the equation below?

Revolt · Accepted Answer

Negative 10

Question 6

Which choices are correctly written in scientific notation? Select the four correct answers.

Revolt · Accepted Answer

8.05 times 10 Superscript 3; 4 times 10 Superscript negative 16; 3.03 times 10 Superscript negative 1; 5 times 10 Superscript 10

Question 7

Which statements are true regarding the expression below? Check all that apply.

Revolt · Accepted Answer

The sum of the exponents is .; The value of the expression is .; An equivalent expression is .

Question 8

Which expressions are equivalent to ? Check all that apply.

Revolt · Accepted Answer

4 cubed; 8 squared; 2 Superscript 6

Question 9

Brad measured the length of an object as cm. Which items might he have measured? Check all that apply.

Revolt · Accepted Answer

length of a city block; length of a city park

Operations with Scientific Notation — Unit test Answers