Rewrite the number or expression as requested.(16 ? 109) ÷ (4 ? 104) (Write the result in scientific notation.)

A. 8 ? 105
B. 4 ? 105
C. 8 ? 1013
D. 4 ? 1013

Answer: B

Mathematics

Express as a single logarithm, and, if possible, simplify. log2 x4 + log2 x4 - log2x

A. log₂x⁷
B. log₂x^9/2
C. log₂ x^17/6
D. log₂x⁸

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Mathematics

Use the half-angle formulas to evaluate the given function.sin

A. 0.9808 B. -0.9239 C. 0.3827 D. 0.5412

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Mathematics

Simplify.(5x - 4)2

A. 5x2 + 16 B. 5x2 - 40x + 16 C. 25x2 - 40x + 16 D. 25x2 + 16

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Mathematics

Provide an appropriate response.Find the slope of a line perpendicular to the line x + y = -12.

A. 12 B. -12 C. -1 D. 1

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Mathematics