Identify the base and the exponent for the exponential expression.-2x5
A. Base: -2x, exponent: 5
B. Base: x, exponent: 5
C. Base: 5, exponent: -2x
D. Base: 2x, exponent: 5
Answer: B
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A child has an enormous jar in which she has been saving all of her spare change. In order to determine exactly how much money she has in the jar, she dumps all of the coins on the floor and counts them. Under the watchful eye of her mother, she counts 180 pennies, 120 nickels, 100 dimes, and 80 quarters.The "80 quarters in the jar" describes
A. a strata. B. a sample. C. a parameter. D. a statistic. E. none of these
Solve the problem.Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 21 pounds of feed worth $0.88 per pound by mixing one kind worth $0.77 per pound with another worth $0.96 per pound. How many pounds of the cheaper kind should they use in the mix? Round your answer to the nearest pound, if necessary.
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What will be an ideal response?
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