Rewrite as an expression using only positive exponents.a2b-4

A.
B. -a8b10
C.
D. a4b2

Answer: C

Mathematics

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A. all real numbers B. all real numbers except x =-7 C. all real numbers except x = 8 D. all real numbers except x = 8 and x = -7 E. x = 8 or x = -7

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In the sequence below each number (other than the first two numbers) is the sum of the previous two numbers. Use this rule to find the missing terms of the sequence.1, , , 9, 14, 23, 

A. 1, 4, 25 B. 4, 5, 36 C. 1, 4, 37 D. 4, 5, 37

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Write the equation in exponential form.log2 8 = 3

A. 23 = 8 B. 28 = 3 C. 83 = 2 D. 32 = 8

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Solve the problem.If (a, 3) is a point on the graph of y = 2x - 5, what is a?

A. -1 B. 4 C. 1 D. -4

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Mathematics