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Find missing factor 9^-6=9^-4 • ?
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2 votes
Find missing factor 9^-6=9^-4 • ?

User DoubleE
by
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1 Answer

2 votes

Use:\ a^n\cdot a^m=a^(n+m)\\\\9^(-6)=9^(-4+(-2))=9^(-4)\cdot9^(-2)
User Asendjasni
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