EXERCISE 1-2 Unit Conversions


1	Convert 3.4 meters to centimeters.
		3.4x10^-2 cm
		3.4x10² cm
		3.400x10² cm
		3.4x10¹ cm
		None of the previous answers.

2	Convert 4.50 mL to liters.
		4.50x10^-3 L
		4.50x10³ L
		4.5x10^-3 L
		0.045 L
		None of the previous answers.

3	Convert 25 mg to grams.
		2.5x10^-3 g
		2.50x10^-2 g
		2.5x10⁴ g
		2.5x10³ g
		None of the previous answers.

4	Convert 3.00x10^-2cm to mm.
		3x10^-1 mm
		3.00x10^-3 mm
		3.00x10^-1 mm
		0.3 mm
		None of the previous answers.

5	Convert 455 mg to kg.
		4.55x10⁶ kg
		4.55x10^-6 kg
		4.55x10⁴ kg
		4.55x10^-4 kg
		None of the previous answers

6	Convert 7.90x10^-1km to cm.
		7.90x10^-6 cm
		7.90x10⁴ cm
		7.9x10⁴ cm
		7.90x10⁵ cm
		None of the previous answers

7	Convert 12 cm² to m² .
		1.2x10^-3 m²
		1.2x10^-1 m²
		1.2x10⁵ m²
		1.2x10³ m²
		None of the previous answers.

8	Convert 0.95 m³ to mm³.
		9.5x10² mm³
		9.5x10⁵ mm³
		9.5x10⁹ mm³
		9.5x10⁸ mm³
		None of the previous answers.

9	Convert 4110 mL to cm³.
		4.110x10³ mL
		4.11 mL
		4.11x10³ mL
		4.11x10¹ mL
		None of the previous answers.

10	Convert 0.235 L to mL
		2.35x10^-4 mL
		2.35x10³ mL
		2.35x10^-3 mL
		2.35x10² mL
		None of the above.

11	Convert 13 mm³ to mL.
		1.3x10⁴ mL
		1.3x10^-2 mL
		1.3 mL
		1.3x10¹ mL
		None of the previous answers.

12	Convert 0.5000 inches to cm.
		1.969x10^-1 cm
		1.27 cm
		1.270 cm
		5.08 cm
		None of the previous answers.

13	Convert 2.50 g to ounces.
		8.82x10^-2 oz
		8.93x10^-2 oz
		70.9 oz
		11.3 oz
		None of the previous answers.

14	Convert 750 mL to gallons.
		0.198 ga
		0.18 ga
		3.2 ga
		0.35 ga
		None of the previous answers.

15	Convert 1.00 ft³ to gallons.
		8.05x10^-3 ga
		7.48 ga
		1.16 ga
		6.70 ga
		None of the previous answers.

16	Convert 65.00 miles/hr to km/hr.
		104 km/hr
		40.39 km/hr
		100 km/hr
		1.046x10² km/hr
		None of the previous answers.

17	Sodium chloride melts at 801^oC. What is the melting point of sodium on the Kelvin scale?
		-528 K
		528 K
		1074 K
		1.07x10³ K
		None of the previous answers.

18	Helium boils at 4.2 K. What is the boiling point of helium on the Celsius scale?
		-269^oC
		-268.9^oC
		277.4^oC
		-277.4^oC
		None of the previous answers.

19	Convert -40^oC to ^oF
		-40^oF
		-104^oF
		10^oF
		-54^oF
		None of the previous answers.

20	The speed of light is 6.7061x10⁸ miles/hr. What is the speed of light in m/sec?
		1.7987x10¹⁰ m/sec
		2.9979x10¹⁰ m/sec
		2.9979x10⁸ m/sec
		2.0819x10⁶ m/sec
		None of the previous answers.

21	The mass of a proton is 1.6726x10^-27 kg. What is the mass of the proton in grams?
		1.6726x10^-24 g
		1.6726x10^-30 g
		1.6726x10^-25 g
		1.6726x10^-21 g
		None of the previous answers.

22	The mass of an electron is 9.11x10^-31 kg. What is the mass of the electron in g?
		9.11x10^-29 g
		9.11x10^-25 g
		9.11x10^-34 g
		9.11x10^-28 g
		None of the previous answers.

23	From the answers to numbers 21 and 22 above, what is the ratio of the mass of a proton to the mass of an electron?
		1.836x10³
		5.47x10^-4
		1.84x10³
		1
		None of the previous answers.

24	Convert 2.55x10² cm to km.
		2.55x10⁷ km
		2.55x10^-3 km
		2.55x10^-1 km
		2.55 km
		None of the previous answers

25	What is the volume in milliliters of an object that has a volume of 2.5x10⁴ mm³
		4.0 mL
		2.5 mL
		2.5x10¹ mL
		2.5x10⁴ mL
		None of the previous answers.

26	How many cm² are there in a piece of paper 3.0 m by 0.40 m?
		1.2 cm²
		1.2 x 10² cm²
		1.2 x 10⁴ cm²
		1 x 10⁴ cm²
		None of the previous answers.