In Exercises 39–54, rewrite each expression with a positive rational exponent. Simplify, if possible.16^-¾

Write each expression without negative exponents, and evaluate if possible. Assume all variables represent nonzero real numbers. See Example 4. (1/3)^-2

In Exercises 39–60, simplify by factoring. Assume that all variables in a radicand represent positive real numbers and no radicands involve negative quantities raised to even powers.___√x⁶y⁷

Find each root. ∜81p¹²q⁴

In Exercises 29–44, simplify using the quotient rule.______⁴√13y⁷/x¹²

In Exercises 33–44, add or subtract terms whenever possible. 3√8−√32+3√72−√75

Write each expression without negative exponents, and evaluate if possible. Assume all variables represent nonzero real numbers. See Example 4. (4x)^-2

Find each root. ∜(5 + 2m)⁴

In Exercises 29–44, simplify using the quotient rule._______⁵√64x¹⁴/y¹⁵