Convert using dimensional analysis.
feet to inches
A. 22.5 in.
B. 91.5 in.
C. 90 in.
D. 84 in.
Answer: C
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Use an Euler diagram to determine whether the argument is valid or invalid.Some investments are risky.Real estate is an investment.Real estate is risky.
A. Valid B. Invalid
Express the number in decimal notation.4.14 × 10-4
A. 0.0000414 B. -414,000 C. 0.000414 D. 0.00414
Provide an appropriate response.Perform the indicated operations without a calculator: 54 ÷ 103 =
A. 0.054 B. 0.54 C. 54,000 D. 0.0054
Solve the problem.The population size of a culture of bacteria triples every day such that its size is modeled by the sequence 
where n is the number of the day just beginning. Find the size of the culture at the beginning of the third day and the size of the culture originally.
A. 90 bacteria; 10 bacteria originally
B. 90 bacteria; 3
bacteria originally
C. 270 bacteria; 30 bacteria originally
D. 270 bacteria; 10 bacteria originally