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

question 219

Multiple Choice

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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