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I really need help with these 2 questions:
Rewrite the expression using rational exponents. (Simplify your answer completely.)[tex]\sqrt{x^3+y^3}[/tex]

Express the number in the form a/b, where a and b are integers.
27^{4/3}[/tex]

I Really Need Help With These 2 Questions Rewrite The Expression Using Rational Exponents Simplify Your Answer Completelytexsqrtx3y3tex Express The Number In Th class=
I Really Need Help With These 2 Questions Rewrite The Expression Using Rational Exponents Simplify Your Answer Completelytexsqrtx3y3tex Express The Number In Th class=