Find the product. Assume variables represent positive real numbers.y3/13(y5/13 - 3y2/13)

A. y-2/13 - 3y1/13
B. y8/13 - 3y5/13
C. y3/5 - 3y3/2
D. y15/169 - 3y6/169


Answer: B

Mathematics

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A.
B.
C.
D.

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Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.Assume that the volume of the earth is 5 × 1014 cubic meters and the volume of a bacterium is 2.5 × 10-16 cubic meters. If the earth could be filled with bacteria, how many would it contain? (Round to one decimal place.)

A. 5.0 × 1031 bacteria B. 2.0 × 10-30 bacteria C. 2.0 × 1030 bacteria D. 5.0 × 10-31 bacteria

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Simplify the rational expression.

A.
B.
C.
D.

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Find the indicated term of the sequence.the twenty-first term of -7, -12, -17, ...

A. 98 B. 93 C. -112 D. -107

Mathematics