Write an equivalent expression without negative exponents and, if possible, simplify.
A. x3y2
B. 
C. 
D. 
Answer: D
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Perform the indicated operations. Express the answer as a single polynomial in standard form.(7y + 11)(5y2 - 2y - 2)
A. 90y2 - 36y - 36 B. 35y3 + 41y2 - 36y - 22 C. 35y3 - 14y2 - 14y + 11 D. 35y3 + 69y2 + 36y + 22
Find the reciprocal.0
A. 0
B. 0 has no reciprocal.
C. -1
D. 
Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.9x = 4x + 6
A. x ? 10.257 B. x ? 2.321 C. x ? 3.243 D. x ? 5.168
Solve the problem. Round to the nearest tenth unless indicated otherwise.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. If V = 180.0 in3 when T = 300° and P = 20 lb/in2, what is the volume when T = 210° and P = 15 lb/in2?
A. 168.0 in3 B. 158.0 in3 C. 128.0 in3 D. 188.0 in3