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Question
Simplify, giving Solution with positive index
3y. 32. 3-4
Solution
3y. 32. 3-4
`= 3^y. 3^2/3^4 = 3^y = (3 xx 3)/(3 xx 3 xx 3 xx 3)`
`= 3^y xx 1/3^2 = 3^(y -2)`
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