Powers of Ten Decimals

193.4 x 0.01

• 1934

• 1.934

• 19.34

• 19340

Which TWO answers are equal to 12.34?

• 0.1234 x 10³

• 0.1234 x 10²

• 1234 x 0.01

• 1234 x 0.1

2.7 x 10

• 270

• 0.27

• 27

• 0.027

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

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

• left

• right

• middle

80.72 x 10³ =

• 80,720

• 8,072

• 807,200

• 807.20

32.40÷1000

• 3.240

• 0.324

• 0.0324

• 32,400

10²

• 10

• 100

• 1,000

• 100,000

10⁴

• 1,000

• 10,000

• 10

• 100

10³

• 10

• 100

• 1,000

• 10,000