Simplify the Expression $\frac { z ^ { - 7 } } { z ^ { - 5 } }$

question 111

Multiple Choice

Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero
real numbers.)
- $\frac { z ^ { - 7 } } { z ^ { - 5 } }$

• A) \(\frac { 1 } { z ^ { 2 } }\)
• B) \(\frac { 1 } { z ^ { - 2 } }\)
• C) \(z ^ { 2 }\)
• D) \(\mathrm { z } ^ { 12 }\)

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