What description with its correct expression? A. Two less than the quotient of a number cubed and four, increased by eight; 2-n^3/4+8

B. Six times the difference of five and a number squared; 6(n^2-5)

C. Three more than the quotient of nine and a number cubed. Decreased by two; 3+9/n^3-2

D. Twice the difference of a number squared and three; 2n^2-3

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

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The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z