Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(x5y4)7/3
A. x15/7y12/7
B. x22/3y19/3
C. x35/3y28/3
D. x28/3y35/3
Answer: C
Mathematics
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- 
= 1
A. - 7
B. 
C. 11
D. 21
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