Multiplying and Dividing by Powers of 10

When dividing a number by 10³ the decimal will move ______.

• to the right two times.

• to the right three times.

• to the left two times.

• to the left three times.

When multiplying a number by 10², the decimal will move ______.

• to the right two times.

• to the left two times.

• to the right one time.

• you don't move it

What is the value of the expression 753 ÷ 100?

• 0.753

• 753

• 75.3

• 7.53

What is the value of the expression 36.6 x 10²?

• 36.600

• 3,660

• 0.366

• 366

What is the value of the expression 19.45  $\div$   $10^2$ ?

• 0.1945

• 1,945

• 1.945

• 19.45

What is the missing exponent in the following equation:

5.23 x 10^? = 523?

• 1

• 2

• 3

• 4

What is the missing exponent in the following equation:

 $52.3\ \div\ 10^{?\ }$  = 5.23

• 1

• 2

• 3

• 4

If one potato cost $0.55, what is the cost of 10 potatoes?

• $5.50

• $55.00

• $550.00

• $5,500.00

If 100 pencils cost a total of $11.00, how much does A pencil cost (1 pencil)?

• $.01

• $.11

• $.14

• $1.10

Domo makes 10¹ cupcakes, each cupcake has .4 ounces of frosting, how much frosting does Domo use for all the cupcakes?

• 4 ounces

• 40 ounces

• .04 ounces

• 400 ounces