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```Name: __________________________________
Period: _________ Date: _________
1. If 1 g = 15.432 grains, and 1 cg = 0.000353 ounces, then how many ounces is 17500.
grains?
2. If 1 m = 3.2808 ft., how many yards are in 1 m?
3. If 1 cL = 0.338 fluid ounces and 1 L = 0.264 gallon, how many fluid ounces are in 1
gallon?
4. The speed limit on interstate highways is 65 mi/h. Convert this speed in inches/s.
Section 1: Counting Sig Figs Practice
Write the number of significant figures that each of the following has
700004
50.0
50
007
0.01560
072.0
3409.080
00.00021
Section 2: Math using sig figs
56.10 + 11.907
3.00 + 5.16
53.2 + 92.77
98.023 x 32.76
39.0 x 1.8
Multiplication and division
44.1 x 7.90
Section 3: Writing scientific notation
Rewrite these numbers in scientific notation
4860000000
0.000000000002056
0.00000679
Rewrite these numbers in decimal/standard form
9.012 x 105
2.80 x 10-6
8.901 x 10-11
7.0012 x 1010
7.440 x 10-3
6.290 x 101
Section 4: Density Calculations
You have a rock with a volume of 15cm3 and a mass of 45 g. What is its density?
You decide you want to carry a boulder home from the beach. It is 30 centimeters on each side
(it looks like a cube),. It is made of granite, which has a typical density of 2.8 g/cm3. How much
will this boulder weigh?
Crayon: _____________________
Pencil: ______________________