In each group of four products, one is wrong. Use estimation to determine which product is incorrect.
A. 181 × 90 = 16,290
B. 213 × 32 = 6816
C. 4034 × 60 = 242,040
D. 41 × 432 = 18,233
Answer: D
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Use rational exponents to simplify. Do not use fraction exponents in your final answer.
15
A. x375y300 B. x75y60 C. x15y12 D. x3y3
Provide an appropriate response.A share of stock represents 
in a company.
A. dividends B. ownership C. debt D. earnings
Solve.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 75 seconds with an average speed of 4 feet per second. Find the average speed of the swimmer if it takes him 100 seconds to finish the race.
A. 2 feet per second B. 5 feet per second C. 4 feet per second D. 3 feet per second
Subtract.5169
A. 445 B. 437 C. 4445 D. 397