3.26 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

3⁴ is bigger than 4³.

• True
• False

5⁴=

• 20
• 625
• 1024

The exponent equivalent of 20 x 20 x 20 is

• 20 x 3
• 20³
• 3²⁰

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

2⁵ is the same as 2 x 5.

• True
• False

Choose the answer.
5²

• 10
• 15
• 20
• 25

Which number is the BASE?
2³ = 8

• 2
• 3
• 8
• not here