Rewrite the expression with a positive rational exponent. Simplify, if possible.(9xy)-2/10

A.
B.
C.
D. -  


Answer: B

Mathematics

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Determine the power of 10 needed to write the decimal in scientific notation.2,494,000 = 2.494 × 10n

A. 7 B. 6 C. 8 D. 5

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Find the inverse of the function.f(x) = 

A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. Not invertible

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Add.-2 + 6 + (-14)

A. 18 B. -10 C. 22 D. -6

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Place the correct symbol, >, <, or =, in the blank in the given pair of fractions.  

A. < B. > C. =

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