Square Roots, Cube Roots and Estimating

Which is equivalent to 7 x 7 x 7 x 7 x 7 x 7 
?

• 7⁵
• 7⁶
• 6⁷
• 7⁷

Which is equivalent to 2⁴?

• 8
• 20
• 16
• 12

Which is GREATER?
2⁷ or 7²

• 2⁷
• 7²
• Neither, they are equal

What is nine cubed in exponential form?

• 9 x 9 x 9 
• 9³

A scientist reports that a bacteria culture contains 3⁴ bacteria.
How many bacteria is that?

• 12
• 81
• 7
• 95

5⁴=

• 20
• 625
• 1024

Find the equivalent expression.

9 x 9 x 9 x 9 x 9

• 9⁵
• 9¹⁵
• 9 x 5
• 9 + 9 + 9 + 9+ 9

What is the power to this problem?
6 x 6 x 6 x 6 x 6 x 6 x 6

• 6 to the 7th power
• 6 to the 8th power
• 7 to the 9th power
• 10 to the 5th power

Find the value (standard form) of the power.
Eleven squared

• 110
• 121
• 22
• 11

Find the value (standard form) of the power.
6²

• 36
• 30
• 8
• 12