Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.(x4)-5

A. -5x4
B. - x20
C.
D. -5x20

Answer: C

Mathematics

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A. 0
B.
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Solve the triangle.a = 80, b = 8, C = 125°

A. c = 90.64, A = 48.6°, B = 6.4° B. c = 84.84, A = 50.6°, B = 4.4° C. c = 87.74, A = 52.6°, B = 2.4° D. no triangle

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Write the number without exponents.7.203 × 107

A. 72,030,000 B. 504.21 C. 7,203,000 D. 720,300,000

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Evaluate the root function at the given x-value. Round to the nearest hundredth when appropriate.f(x) = , x = 0

A. 4 B. 5 C. 25 D. 6

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