Solve. Express the result in scientific notation. Round to the nearest hundredth, if necessary.If the mass of an object is 8.8168 × 10-10 tons and its volume is 4.12 × 10-5 cubic feet, find the density of this object. (Use the formula D = 
.)
A. 2.14 × 10-5 tons per cubic foot
B. 2.14 × 10-6 tons per cubic foot
C. 2.14 × 10-4 tons per cubic foot
D. 21.4 × 10-5 tons per cubic foot
Answer: A
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A. Yes B. No
Solve the problem.Ms. Patterson proposes to give her daughter Claire an allowance of $0.05 on the first day of her 13-day vacation, $0.10 on the second day, $0.20 on the third day, and so on. Find the allowance Claire would receive on the last day of her vacation.
A. $4096.05 B. $409.60 C. $0.65 D. $204.80
Solve.How many ways can an IRS auditor select 3 of 12 tax returns for an audit?
A. 1,728 B. 6 C. 220 D. 1,320
Find the vertical asymptotes of the rational function.f(x) = 
A. x = -1 B. x = -1, x = 4 C. x = -1, x = -4 D. x = 1, x = -4