Simplify each expression. Write answers without negative exponents. Assume all vari-ables represent positive real numbers. See Examples 8 and 9. 8^2/3

In Exercises 79–112, use rational exponents to simplify each expression. If rational exponents appear after simplifying, write the answer in radical notation. Assume that all variables represent positive numbers.___³√8a⁶

In Exercises 77–90, simplify each expression. Include absolute value bars where necessary.____³√−8x³

In Exercises 75–92, rationalize each denominator. Simplify, if possible. √b----------√a - √b

In Exercises 75–82, add or subtract terms whenever possible. √3+³√15

In Exercises 79–112, use rational exponents to simplify each expression. If rational exponents appear after simplifying, write the answer in radical notation. Assume that all variables represent positive numbers._____⁵√x¹⁰y¹⁵

In Exercises 77–90, simplify each expression. Include absolute value bars where necessary.____³√(−5)³

Simplify each radical. Assume all variables represent positive real numbers. √24m⁶n⁵

In Exercises 85–116, simplify each exponential expression.x³/x⁹