Use the product rule to simplify the expression. Write the result using exponents.(-7)9(-7)6
A. -4954
B. (-7)15
C. 715
D. 4915
Answer: B
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Find the vertices and foci of the ellipse.
+ 
= 1
A. Vertices: (±20, 0); Foci: ( ±16, 0) B. Vertices: (0, ±20); Foci: (0, ±16) C. Vertices: (0, ±20); Foci: (0, ±12) D. Vertices: (±16, 0); Foci: ( ±12, 0)
Rewrite the fraction in simplest form.
A. 
B. 
C. 
D. 
Identify the place occupied by the underlined digit.38,88
,888
A. Ten millions B. Hundred thousands C. Millions D. Thousands
Your company issues flight insurance. You charge $2 and in the event of a plane crash, you will pay out $1 million to the victim or his or her family. In 1989, the probability of a plane crashing on a single trip was 0.00000165. If ten people per flight buy insurance from you, what was your approximate probability of losing money over the course of 110 million flights in 1989? Round your answer to four decimal places. [Hint: First determine how many crashes there must be for you to lose money.]
Fill in the blank(s) with the appropriate word(s).