Properties of Exponents

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

• 12
• 81
• 7
• 95

How do you write 2 x 2 x 2 x 2 with an exponent?

• 4²
• 2⁴
• 2²

Find the equivalent expression.
15×15×15×15

• 15⁴
• 4¹⁵
• 15x4
• 15+15+15+15

Any number written to the 0 power is always 1
Example: 8⁰=1

• True
• False

3⁴ is bigger than 4³.

• True
• False

Which one shows the numbers in order from biggest to smallest?

• 3²,2³,6¹
• 6¹,2³,3²
• 2²,6¹,3²

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

To square a number is to use what mathematical operation?

• Division
• Subtraction
• Multiplication
• Addition

The exponent equivalent of 20 x 20 x 20 is

• 20 x 3
• 20³
• 3²⁰