Multiply and simplify. Assume all variables represent nonnegative real numbers. Write your answer in radical notation.

A. x6y9
B. x6y7
C. x6y8
D. x6y8
Answer: D
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A. About 306 students B. About 153 students C. About 43 students D. About 5 students
Solve the problem.The length of the base of an isosceles triangle is 28.35 meters. Each base angle is 29.73°. Find the length of each of the two equal sides of the triangle. Round your answer to the hundredths place.
A. 24.82 m B. 28.58 m C. 32.65 m D. 16.32 m
Multiply.0.002 × 0.4
A. 0.0008 B. 0.00008 C. 0.000008 D. 0.008
Solve the inequality.x4 < 81x2
A. (-9, 0) or (9, ?) B. (-?, -9) or (0, 9) C. (-?, -9) or (9, ?) D. (-9, 0) or (0, 9)