If in index notation there are variables and numbers and question says to simplify and give answer as positive index then
Is 1/3^2a^2 is it correct after simplifying all negative indices
Or should we make it as 1/9a^2
Can we leave as 3^2? Or both Answers acceptable?
I know that if question says simplify and Evaluate then numbers need to be multiplied depending on exponent
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2 answers

What "negative indices"?
What happened to "a" in your second alternative?
I would go with 1/9a^2. 👍
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PsyDAG 
Second alternative I mean
1/3^2 a^2 ( leaving answer with positive index form as question said simplify and leave as positive index) Won’t this be fine too?
Unless question said Simplify then I wouldn’t leave any exponent form. Since the question said simplify and give answer as positive index 👍
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NJay
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