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Simplify the Expression (7x5y3z428x6y11z9)3\left( \frac { 7 x ^ { - 5 } y ^ { 3 } z ^ { - 4 } } { 28 x ^ { 6 } y ^ { 11 } z ^ { - 9 } } \right) ^ { 3 }

Question 79

Multiple Choice

Simplify the expression. (7x5y3z428x6y11z9) 3\left( \frac { 7 x ^ { - 5 } y ^ { 3 } z ^ { - 4 } } { 28 x ^ { 6 } y ^ { 11 } z ^ { - 9 } } \right) ^ { 3 } Write the answer without using negative exponents. Assume that all variables are restricted to those numbers for which the expression is defined.


A) z54x11y8\frac { z ^ { 5 } } { 4 x ^ { 11 } y ^ { 8 } }
B)
z1564x24y33\frac { z ^ { 15 } } { 64 x ^ { 24 } y ^ { 33 } }
C) z1564x33y24\frac { z ^ { 15 } } { 64 x ^ { 33 } y ^ { 24 } }
D) z1564x33y24\frac { z ^ { 15 } } { 64 x ^ { - 33 } y ^ { - 24 } }
E) z54x33y24\frac { z ^ { 5 } } { 4 x ^ { 33 } y ^ { 24 } }

Correct Answer:

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