Estimating With Powers Of Ten

How many zeros will 10^-8 have as a decimal? 

• 7

• 8

• 9

• 6

1,000,000,000,000,000,000 =

• 10¹⁹

• 10¹²

• 10¹⁸

• 10¹

What is the exponential form of 10,000?

• 10 x 10 x 10 x 10

• 10 + 10 + 10 + 10

• 10⁴

• 10³

Express the following numbers as powers of ten:
100,000

• 10⁴

• 10⁵

• 10⁶

• 10⁷

What is the value of the following expression? 7893÷ 10³

• 7.893

• 7893000.0

• 0.0007893

• 789.3

What is 31,000 ÷ 10^3?

• 3

• 31

• 310

• 3100

372 ÷ 10³ 

• 0.372

• 3.72

• 0.0372

• 00.372

14 x 10³

• 1,400

• 0.014

• 14,000

• 42,000

0.8 x 10³

• 800

• 8,000

• 0.8000

• 80

What is the meaning of 10³?

• 10 x 3

• 10 + 10 + 10

• 10 + 3

• 10 x 10 x10