Test 1 (Vectors/Scalars/Unit Conversion/Scientific Notation)

1 cm = ________mm

• 1
• 100
• 10
• 1000

100 cm = ______m

• 1
• 10
• 100
• 1000

Which are SI units?

• kilograms, kilometers, amperes, seconds

• kilograms, meters, amperes, seconds

• kilograms, meters, amperes, minutes

• grams, meters, amperes, minutes

1.25 km is equal to

• 125 m

• 125 000 cm

• 1 250 cm

• 1 250 000 000 nn

You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.

• 25 mg
• 25,000 mg
• 250 mg
• 2500 mg

Which unit of measurement is greatest?

• decimeters
• millimeters
• centimeters
• kilometers

convert 9 km to mm

• 900,000
• 9,000,000
• 9,000
• 90,000

Is 4,000 mg greater than, less than, or equal to 4 g?

• greater than
• less than
• equal to

Convert 41 inches into cm.

1 in = 2.54 cm

• 1.0 x 10² cm

• 1.6 x 10¹ cm

• 6.4 x 10^-2 cm

• 4.4 x 10¹ cm

How many kilograms of calcium are there in 173 pounds of calcium? (1 lb = 454 g; 1 kg = 1000 g)

• 1.10 kg

• 78.5 kg

• 110 kg

• 78500 kg