Multiplying Decimals by Powers of 10 Exponents

When you multiply a decimal number by a power of ten the decimal should move to the _______.

• left

• right

• middle

When multiplying a decimal number by a power of ten, the exponent (or the 0's in the power of ten) will tell you______________________________.

• How many zeros you will have in your answer

• How many digits will be in the answer

• The number of places to move your decimal to the LEFT

• The number of places to move your decimal to the RIGHT

83.05 x 100 = ____

• 8.305

• 83.05

• 830.5

• 8305

• 1 place to the right

• 1 place to the left

• 2 places to the right

• 2 places to the left

When you multiply a decimal by 10³ you ....

• multiply by 3

• multiply by 10

• move the decimal 3 places to the left

• move the decimal 3 places to the right

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

• left

• up

• down

• right

When multiplying a number by a power of ten, which way do you move the decimal?

• Left

• Right

2.43 x 10 =

• 2.430

• 243

• 24.3

• 0.243

5.62 x 100

• 56.2

• 562

• 56.2

• 5.6200

What is 473.2 x 10

• 4732

• 47.3

• 47320