Place Value and Rounding

10³ = ...

• 10

• 100

• 1,000

• 10,000

When multiplying a decimal by 100, you move the decimal to the left.

• True

• False

When multiplying a decimal times 100, the decimal is moved _________.

• two places to the left

• two places to the right

• three places to the right

• one place to the right

What is the exponent in 10⁴ ?

• 10

• 40

• 10,000

• 4

What is the 10 called in 10²?

• an exponent

• indices

• a base number

• power

10⁶ is the same as _______. Check ALL that apply!!

• 10 X 10 X 10 X 10 X 10 X 10

• 10 X 10 X 10

• 40

• 1,000,000

8.4 ÷ 10² = _______.

• 0.84

• 840

• 84

• 0.084

In the number 4,387.2782, what digit is in the thousandths place?

• 4

• 8

• 3

• 2

0.0385 x 10⁵ = _____.

• 385

• 3,850

• 0.385

• 38,500

You should never multiply the base number times the exponent.

• True

• False