Simplify.(54)4
A. 58
B. 516
C. 2516
D. 258
Answer: B
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Solve the problem. Round results to an appropriate number of significant digits.From a boat on the river below a dam, the angle of elevation to the top of the dam is 23.7°. If the dam is 2755 ft above the level of the river, how far is the boat from the base of the dam?
A. 6260 ft B. 6280 ft C. 6270 ft D. 6250 ft
Solve the problem.A school auditorium has 38 rows with 25 seats in the first row, 28 in the second row, 31 in the third row, and so forth. How many seats are in the auditorium?
A. 6232 seats B. 6118 seats C. 3059 seats D. 3116 seats
Solve.A boat can go 90 mph in still water. It takes as long to go 280 miles upstream as it does to go downstream 320 miles. How fast is the current?
A. 4 mph B. 5 mph C. 1 mph D. 6 mph
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Correct B. Incorrect; should be 156 C. Incorrect; should be 155 R72 D. Incorrect; should be 155 R76