Multiplying and Dividing by Powers of Ten

The high school guidance office is encouraging students to attend the annual college fair by handing out college fair pencils. Each pencil costs the school .02 what is the total cost for 1000 pencils?

• 2.00

• .20

• 20.00

• .02

Cade has 160 pages of pictures on his Web site. Each page has 10 pictures. How many pictures are on Cade's Web site?

• 1600

• 160

• 16

• 16000

Correctly complete the equation.

53.812 ÷ ? = 5.3812

• 10¹

• 10²

• 10³

• 10⁰

A city planner needs to provide dimensions on blueprints in both standard and metric measurement units. The chart below shows some equivalent measures.

• 10 yd = 109 m

• 10² ft = 3048 cm

• 10³ ft = 304.8 cm

• 10⁴ ft = 30480 cm

Which equation is correct?

• 625 ÷ 1000 = 0.00625

• 625 ÷ 1000 = 6250

• 625 ÷ 1000 = 0.625

• 625 ÷ 1000 = 625000

Which operation and power of ten makes 317.5 equal to 3.175?

• multiply 317.5 by 10²

• multiply 317.5 by 10³

• divide 317.5 by 10³

• divide 317.5 by 10²

Maya measures the length of one butterfly from wing to wing, in meters, and records it as the equation below.

9.4 ÷ 10^? =0.094

What power of ten will make the equation true?

• 10²

• 10³

• 10¹

• 10⁰

Matthew received a shipment of 10 boxes. The total weight of the shipment was 1562 kilograms. How much did each box weigh?

• 15620

• 15.62

• 156.2

• 1.562

87.5 ÷ 10²

• 87.5

• 8.75

• 0.875

Tags

CCSS.5.NBT.A.2

16 ÷ 10³

• 16

• 0.016

• .16

• 1.6

Tags

CCSS.5.NBT.B.7