Quiz 2.1 Unit Conversions

A volume of 100 mL is equivalent to which one of the following volumes?

• 1 kL

• 1 x 10^-6 μL

• 0.1 L

• 0.01 ML

A weight lifter can bench press 171 kg. How many milligrams is this?

• 1.71 x 10⁸ mg

• 1.71 x 10⁹ mg

• 1.71 x 10⁷ mg

• 1.71 x 10⁶ mg

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7 x 10⁷ calculations per second?

• 15 ns

• 67 ns

• 11 ns

• 65 ns

A certain CD-ROM disk can store 600 megabytes of information. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk?

• 6.7 x 10⁷ words

• 5.4 x 10⁹ words

• 2.1 x 10⁷ words

• 2.0 x 10⁹ words

If you are 5'10'' tall (five feet, ten inches tall), what is your height in meters? Consider 1.00 ft = 12.0 inches and that 1.00 in = 2.54 centimeters. Answer with two significant figures (one decimal), and remember to write the units!

Express 50 mi/h in units of meters per second. Consider that 1 mile (mi) = 1609 meters (m). Report your answer as a rounded whole number (no decimals) and DO NOT include the units in your answer.