Solve the logarithmic equation. Give an exact answer.log3x = 4
A. {64}
B. {12}
C. 
D. {81}
Answer: D
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Solve the problem.Find the final value, after all taxes are paid, for the following retirement account. Assume that taxes are deferred and that deposits are made at the end of each year.
A. $26,412.16 B. $27,512.67 C. $28,888.30 D. $30,814.19
Solve the problem. Use a Venn diagram to find your answer.The subsets A, B, and C of the universe U satisfy the following conditions:n(U) = 202n(A) = 68n(B) = 88n(A ? B) = 29n(A ? C) = 32n(A ? B ? C) = 15n(
? B ? 
) = 44n(
? 
? 
) = 51Find
n(C).
A. 40
B. 24
C. 41
D. 71
First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Tran's subtotal at Scramble's Electronics is $304.31. The sales tax on these items is $23.81. What was Tran's total bill?
A. Estimate: $280; exact: $280.5 B. Estimate: $328.12; exact: $328.12 C. Estimate: $300; exact: $328.12 D. Estimate: $320; exact: $328.12
Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student has less than 2 siblings?
A. 0.56 B. 0.2 C. 0.76 D. 0.24