Perform the following SI conversions.  (1 pt ea)

1.	4 500 cm = _______________ km

2.	0.0025 mm = _______________ nm

3.	147 mg = _______________ g

4.	300 cm2 = _______________ m2

5.	14 500 kB = _______________ GB

6.	0.4 dm3 = _______________ cm3

Convert the following temperatures.  (1 pt ea)

7.	-35 °C = _______________ K

8.	351 K = _______________ °C

9.	12.0 °F = _______________ °C

Round the following to proper precision.  (1 pt ea)

10.	9.2 x 2.47 = 

11.	4.783 / 5.19 = 

12.	9.71 + 0.583 = 

Use proper significant digits and round to proper precision.  (2 pts)

13.	(5.9 x 1023) (3.72 x 1019) = 

Solve the following problems to proper precision.  (3 pts ea)

15.	A student needs 5.00 g of glycerin (r = 1.26 g/cm3).  Find the volume he needs.

16.	A student measures the specific heat of water and finds it to be 4.23 J/goC.  Knowing that the accepted value for the quantity is 4.18 J/goC, find the student’s relative error as a percent.