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What is 3^-r=9. can you show me the work too

What is 3^-r=9. can you show me the work too
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What is 3^-r=9. can you show me the work too

What is 3^-r=9. can you show me the work too-example-1
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User Selvan
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1 Answer

5 votes

3^(-r)=9\\ 3^(-r)=3^2\\ -r=2\\ r=-2

or


3^(-r)=9\\ -r=\log_39\\ -r=2\\ r=-2
answered
User Scofield Tran
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