Use a calculator to approximate the logarithm to four decimal places.log300 30
A. 0.5963
B. 1.677
C. 3.4012
D. 5.7038
Answer: A
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Perform the indicated computations. Write the answer in scientific notation.(2 × 105)(5 × 10-4)
A. 100 × 101 B. 10 × 102 C. 1 × 102 D. 1 × 10-20
Graph the curve whose parametric equations are given.x = 9 sin t, y = 9 cos t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mark as true any statement that is always true. Mark as false any statement that is never true or that is not necessarily true. Be able to justify your answers.
1. The sentence “a:b = c:d” is a ratio.
2. 
3. The mean proportional of m and n is
4. If three angles of one triangle are congruent to three angles of a second triangle, then the
triangles are similar.
5. If two triangles are similar, then they are congruent.
Find the measure of the missing angle(s).
a = 52?
A. 28° B. 48° C. 33° D. 38°