Dimensional Analysis Practice

You know that 12 inches = 1 foot.  Convert 60 inches to feet.

• 720 feet
• 5 feet
• 5 inches
• 72 feet

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

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

How many minutes are in four hours?

• 175min

• 280min

• 240min

• 325min

If 1 inch = 2.54 centimeters, how many inches are in 120 centimeters?

• 304.8in

• 47.24in

• 122.54in

• 335.27in

A 30 g serving of a certain breakfast cereal has 0.5 g of salt. How much salt would that be in milligrams?

• 500mg

• 480mg

• 720mg

• 375mg

32.9 km = ___________ cm

• 32,900
• 329,000
• 3,290,000
• 32,900,000

Change from standard form to scientific notation: 12,000,000

• 12.0  x  10⁷
• 0.12  x  10⁷
• 1.2  x  10⁶
• 1.2  x  10⁷

Try to change the number back to standard form: 3.97  x  10^-2

• 0.000397
• 0.0397
• 0.0000397
• 0.397

How many significant figures: 153.0 mL

• 1
• 2
• 3
• 4

How many significant figures: 1000 mL

• 1
• 2
• 3
• 4