Simplify the exponential expression. Write the result using only positive exponents.
-$\frac { r ^ { - 6 } } { r ^ { - 4 } }$
A) $\frac { 1 } { \mathrm { r } ^{10 }}$
B) $\frac { 1 } { \mathrm { r } ^ { 2 } }$
C) $\mathrm { r }^{ 10}$
D) $r ^ { 2 }$

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The Answer of Simplify the exponential expression. Write the result using only positive exponents.
-$\frac { r ^ { - 6 } } { r ^ { - 4 } }$
A) $\frac { 1 } { \mathrm { r } ^{10 }}$
B) $\frac { 1 } { \mathrm { r } ^ { 2 } }$
C) $\mathrm { r }^{ 10}$
D) $r ^ { 2 }$

Simplify the Exponential Expression r−6r−4\frac { r ^ { - 6 } } { r ^ { - 4 } }r−4r−6​

Simplify the Exponential Expression $\frac { r ^ { - 6 } } { r ^ { - 4 } }$