Simplify the Expression by Using the Properties of Rational Exponents $$\left( \frac { t ^ { 4 } } { t ^ { - 6 } } \right) ^ { 1 / 2 }$$

Multiple Choice

Simplify the expression by using the properties of rational exponents. Write the final answer using positive exponents only. $$\left( \frac { t ^ { 4 } } { t ^ { - 6 } } \right) ^ { 1 / 2 }$$

A) $t ^ { 8 }$
B) $t ^ { 5 }$
C) $t ^ { - 4 }$
D) $t ^ { - 1 }$