Write the Word or Phrase That Best Completes Each Statement $\left( \frac { t ^ { 2 } } { t ^ { - 6 } } \right) ^ { 1 / 2 }$

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
Write the expression by using rational exponents rather than radical notation.
- $\left( \frac { t ^ { 2 } } { t ^ { - 6 } } \right) ^ { 1 / 2 }$

A) $t ^ { 4 }$
B) $t ^ { - 5 }$
C) $t ^ { 7 }$
D) $t ^ { - 2 }$