Simplify the given expression using the definition for negative exponents. Assume that all variables represent nonzero numbers.

A. 9
B. 98
C.
D. 99

Answer: B

Mathematics

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Approximate the square root to three decimal places.

A. 6.779 B. 46.000 C. 6.782 D. 6.787

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Find the vertex of the parabola.f(x) = 4x2 + 40x + 96

A. (-5, -4) B. (-4, -5) C. (4, 5) D. (5, 4)

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Solve using Cramer's rule. 4x - 5y - 7z = -49-6x + 4y + 6z = 24-2x - 4y + 7z = -20

A. (9, 4, 9) B. (6, -9, -4) C. (7, 7, 4) D. (6, 9, 4)

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What is the degree of the expression?(3 + 5x + 4x5)4

A. 10 B. 16 C. 20 D. 24

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Mathematics