Simplify the Expression and Write the Answer Without Negative Exponents $\frac { 1 } { m ^ { - 7 } }$

Multiple Choice

Simplify the expression and write the answer without negative exponents.
- $\frac { 1 } { m ^ { - 7 } }$

A) $- \mathrm { m } ^ { 1 / 7 }$
B) $- \mathrm { m } ^ { 7 }$
C) $\mathrm { m } ^ { 1 / 7 }$
D) $\mathrm { m } ^ { 7 }$