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Try these
questions as a review for the math 52 placement
test.
1] If 83% of a substance by mass is water and a sample of the substance contains 52 grams of water, what is the mass of the sample?
2] Simplify this conversion. Write the answer with the correct labels.
3] Solve using the unit or dimensional analysis process.
40 ft/ sec equals how many mi per hour?
4] How many significant digits are in each of the following:
A. 0.0070 _______ B. 905.0 ________ C. 3.4 x 104 ______
5] Calculate the following:
A. log 528 = ________ B. log (5.4 x 10-13) = _______ C.log 106.3 = ___________
6] Fill in the blanks.
A. 1 cm = ________mm
B. 450 grams = _______ kg
C. one c is about ______ mL
7] A. What is the distance in cm of your hand span from tip of thumb to tip of small finger when the hand is stretched out?
B. About how many milliliters are in half a cup?
8] Do these computations by hand.
A. 12 + -8 = B. -4 – ( -9) =
C. (-5)(-6) = D. -40/8 =
9] Write a whole number, decimal, or fraction equal to each of the following:
A. 103 = B. 10-4 = C. 10-1.2 =
10] Write these numbers in scientific notation.
A. 74,300,000 = B. 0.000329 = C. 562.4 =
11] Do these computations by hand. Write the answer in scientific notation with the correct significant figures.
A. 
=
B. 
12] Solve this proportion for P. 
Solution
to review for math 52 placement test:
1] 63 g
2] 2.3 x 109 cg
3]
4] A. 2 B. 4 C. 2
5] A. 2.7226 B. -12.2676 C. 6.3
6] A.10 mm B. 0.450 kg C.240 mL
7] A. 20 cm B. 120 mL
8] A. 4 B. 5 C. 30 D. -5
9] A. 1000 B. 0.0001 or 1/10,000 C. 0.0631
10] A. 7.43 x 107 B. 3.29 x 10-4 C. 5.624 x 102
11] A. 4 x 10-19 B. 2.5 x 10-11
12] P = 0.12