Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45

A. 262,144
B. 16,777,216
C. 16,384
D. 1,048,576


Answer: C

Mathematics

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Solve the problem.A region in the first quadrant is bounded above by the curve y = cosh x, below by the curve  on the left by the y-axis, and on the right by the line   Find the volume of the solid generated by revolving the region about the x-axis.

A. 5?
B. 0
C. 2?
D.

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Graph the equation.9(x - 5)2 + 4(y - 3)2 = 36

A.

B.

C.

D.

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Convert 31,680 feet to miles. 

A. 6.3 B. 7.2 C. 12 D. 6 E. 9.6

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Convert to scientific notation.160,000

A. 1.6 × 10-4 B. 1.6 × 104 C. 1.6 × 10-5   D. 1.6 × 105

Mathematics