Answer the question or write an explanation.Explain how (-2x)5 and -2x5 are different.
What will be an ideal response?
In the first, the power applies to both. In the second, the power only applies to the x.
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Solve.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.63 ohm when the diameter is 1 mm and the length is 210 cm, what is the resistance when the diameter is 3 mm and the length is 1370 cm?
A. 0.457 ohm B. 1.37 ohm C. 152.222 ohm D. 95.9 ohm
Change the exponential expression to an equivalent expression involving a logarithm.ex = 22
A. ln x = 22 B. ln 22 = x C. logx e = 22 D. log22 x = e
Perform the operation. Write the answer as a fraction in lowest terms.2
÷ 5
A. 
B. 
C. 
D. 
Factor.2n2 + 5n - 63
A. (2n - 9)(9 - 2n) B. (2n - 72)(2n - 9) C. (2n - 9)(n + 7) D. (2n - 9)(n - 7)