In Exercises 35–52, write each expression with positive exponents only. Then simplify, if possible.x²y⁻³

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.__√x⁵

Find each root. ⁶√x^6

Simplify each exponential expression in Exercises 23–64. (−4/x)^3

In Exercises 33–46, simplify each expression._____−√100x⁶

In Exercises 39–54, rewrite each expression with a positive rational exponent. Simplify, if possible.27^-⅓

Find each root. √25k⁴m²

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