# math

posted by alainia

Use the properties of exponents to rewrite each expression so that it contains only positive exponents and simplify the result. The answer is suppose to be 1/9. thank you

(b^-1/3a^-1)(3a/b)^-1

1. Damon

(1/b / 3/a)(b/3a)

(a/3b)(b/3a)

1/9

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