Metric System and Unit Analysis 312

How many grams are in a kilogram?

• 1

• 10

• 100

• 1000

• 10000

Convert 45 cm to mm.

• 4500 mm

• 450 mm

• 45 mm

• 4.5 mm

• 0.45 mm

Convert 64.2 mL to liters.

• 642 L

• 64.2 L

• 6.42 L

• 0.642 L

• 0.0642 L

The prefix "pico" stands for

• one hundredth

• one thousandth

• one millionth

• one billionth

• one trillionth

The metric prefix for "100" is

• nano

• hecto

• kilo

• deka

• giga

To convert yards to centimeters, you would use which of the following conversion factors?

• 12 inches/ft, 36 inches/yard

• 36 inches/yard, 2.54 cm/inch

• 3.785 liters/gal, 5280 ft/mile

• 100 cm/m, 36 inches/yard

To convert 21 miles/hr to feet/sec, you would

• multiply 21 mi/hr by 5280 ft/mile then divide by 3600 sec/hr

• divide 21 mi/hr by 5280 ft/mile then divide by 3600 sec/hr

• multiply 21 mi/hr by 5280 ft/mile then multiply by 3600 sec/hr

• divide 21 mi/hr by 5280 ft/mile then multiply by 3600 sec/hr

If you converted 109 cm to decimeters, you would expect your answer to be

• less than 109 because decimeters are larger than centimeters

• less than 109 because decimeters are smaller than centimeters

• more than 109 because decimeters are larger than centimeters

• more than 109 because decimeters are smaller than centimeters

There are 39.36 inches in a meter. A football field is about 120 yards long including the end zones. Using this information, what would be the best estimate of the length of a football field in meters?

• 39.36 meters

• 110 meters

• 130 meters

• 36 meters