Multiplying Decimals by Powers of 10 7/9/25

What happens when you multiply a decimal by a power of ten

You move the decimal point to the right

How many places do you move the decimal

You move it the same number of places as there are zeros in the power of ten

What is a power of ten

A number made by multiplying 10 by itself

How many zeros does 10 have

1 zero

How many zeros does 100 have

2 zeros

How many zeros does 1000 have

3 zeros

What is step 1 when multiplying by a power of ten

Look at the power of ten and count the zeros

What is step 2 when multiplying by a power of ten

Move the decimal point to the right that many places

What is step 3 when multiplying by a power of ten

Fill in with zeros if there are empty spaces

What is 4.5 times 100

Move the decimal 2 places right the answer is 450

What is 3.5 times 1000

Move the decimal 3 places right the answer is 3500

What direction does the decimal move when multiplying by powers of ten

Right

Does the number get bigger or smaller when multiplying by a power of ten

Bigger

Do you need to actually multiply the numbers

No just shift the decimal