Quiz about Exponents/Expressions with Exponents

Question 1

Which expression shows "ten squared" ?

Accepted Answer

$$10^2$$

Answer

$$2^{10}$$

Answer

10

Answer

$$10\cdot2$$

Question 2

How would we say the following expression: $$10^3$$ ?

Accepted Answer

Ten cubed

Answer

Ten times 3

Answer

Ten squared

Question 3

Which expression is larger: $$5^2$$ or $$3^3$$ ?

Accepted Answer

$$3^3$$

Answer

$$5^2$$

Answer

They are equal

Question 4

A cube has an edge length of 21 cm. Which expression uses the correct exponent to express its volume.

Accepted Answer

$$21^{3\ }cubic\ cm$$

Answer

$$21^2\ square\ cm$$

Question 5

A cube has edge length 11 inches. Which expression represents its surface area?

Select all that apply.

Accepted Answer

$$6\cdot\left(11\cdot11\right)$$

Accepted Answer

$$6\cdot\left(11^2\right)$$

Answer

$$11^2$$

Answer

$$11\cdot11$$

Question 6

A cube has a volume of $$7^3$$ cubic centimeters. What is its surface area?

Select all that apply.

Accepted Answer

$$6\cdot7^2$$

Accepted Answer

294 square centimeters

Answer

343 square centimeters

Answer

$$7^2$$

Question 7

Is this equation true: $$4^2=2^3$$ ?

Accepted Answer

No - the equation is not true

Answer

Yes - the equation is true

Question 8

Is this equation true: $$4^3=4\cdot4\cdot4$$ ?

Accepted Answer

Yes - the equation is true

Answer

No - the equation is not true

Exponents/Expressions with Exponents