Multiplying Decimals by Powers of 10

Multiplying Decimals by Powers of Ten (Part2)

By: Mrs. Munavvrah

A Power or exponent is

when you multiply a number by itself.

Like 2 x 2 = 2² = 4

​

​Powers of 10

​Find the

Patterns

Fill in the Blank

10 x 10 x 10 x 10 =

Multiple Choice

10⁶ =

• 1,000,000

• 60

• 6000

• 100,000

​A number can have a negative power.

That means it turns in to the opposite fraction.

​Look for the pattern!

​Negative Powers OR

Inverse exponents

Multiple Choice

12² =

• 12 x 2

• 12 x 12 = 144

• 24

Multiple Choice

3^-2 =

• -9

• 3 x 3 = 9

• 3 x 2 = 6

10 ³ = 1,000

​Its easy with Ten

10 ⁶ = 1,000,000

Multiple Choice

10⁵ =

• 10 x 5

• 10 x 10 x 10

• 10 x 10 x 10 x 10 x 10

• 10 x 10 x 10 x 10

Multiple Choice

10³

• 1,000

• 10 x 3

• 300

• 10 x 10 x 10 x 10

Multiple Choice

10^-5

• 10,000

• $$\frac{1}{10,000}$$

• 50

• -5 x 10

Multiple Choice

10^-2

• 10 x -2

• 20

• $$\frac{1}{100}$$

• 100

10 ³ the decimal point

​Its easy with Ten

10 ^-3 the decimal point

Multiple Choice

0.001 =

• $$10^{-2}$$

• $$10^{-3}$$

• 100

Fill in the Blank

$$10^{-5}$$

Multiple Choice

$$\frac{1}{10}$$ =

• $$10^1$$

• 10 x 10

• $$10^{-1}$$

Multiple Choice

$$10^{-2}$$ =

• 0.001

• 0.01

• -20

Fill in the Blank

$$10^{-4}$$ = $$\frac{1}{10,000}$$ =

Multiple Choice

$$10^{-4}$$ =

• 0.00001

• 0.001

• 0.0001

Multiple Choice

2.359 x $$10^2$$ =

• 235.9

• 23.59

• 200.359

Multiple Choice

324.5 x $$10^{-3}$$ =

• 0.001

• 324500

• 3.245

• 0.3245

Fill in the Blank

51809.7 x $$10^{-4}$$