0. Review of Algebra

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

In Exercises 47 - 49, add or subtract terms whenever possible. 7√5 + 13√5

In Exercises 45–66, divide and, if possible, simplify.__³√54³√2

In Exercises 39–64, rationalize each denominator.10-----³√5

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._____³√x³y¹⁷z²

In Exercises 47 - 49, add or subtract terms whenever possible. 4√72 - 2√48

In Exercises 47–54, find each cube root.___³√−27

In Exercises 35–52, write each expression with positive exponents only. Then simplify, if possible.x⁻²/y⁻⁵

In Exercises 50 - 53, rationalize the denominator. 30/√5

In Exercises 39–64, rationalize each denominator.3³√ ----4

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.______³√32x⁹y¹⁷

In Exercises 47–54, find each cube root._____³√1/125

In Exercises 35–52, write each expression with positive exponents only. Then simplify, if possible.a⁻⁴b⁷/c⁻³

In Exercises 45–54, rationalize the denominator. 7/(√5−2)

In Exercises 39–54, rewrite each expression with a positive rational exponent. Simplify, if possible.(2xy)^-7/10