Powers of Ten and Number Line

Ms. Wheeler owes Aja'h $1000. What should this number look like in exponent form?

• 10¹

• 10¹⁸

• 10³

• 10⁶

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

• 10⁴

• 10⁵

• 10⁶

• 10⁷

0.8 x 10³

• 800

• 8,000

• 0.8000

• 80

When multiplying by a power of ten, the decimal point moves  _______ .

• left

• up

• down

• right

14 x 10³

• 1,400

• 0.014

• 14,000

• 42,000

Select the correct answer.
10 ^{- 2} is the same as:

• -1/10² and 0.02

• -1/10² and -0.02

• 1/10² and -0.01

• 1/10² and 0.01

Write the following as a negative exponent.
1/10 x 1/10 x 1/10 x 1/10

• 10^-4

• 10⁴

• 1/10^-4

• 1/10,000

1/100,000 is equivalent to 

• 10^-4

• 10^-5

• 10⁴

• 10⁵

These are all true but which is the expanded form of 10^-3 is  

• 1/10 x 10 x10

• 0.001

• 1/10^3

• 1/1,000

10³ = _____

• 30

• 3,000

• 10

• 1,000