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HELP MEEEEEEEEEEEEEEEEEEEEE PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

HELP MEEEEEEEEEEEEEEEEEEEEE PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!-example-1
User Pluc
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1 Answer

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29 votes

Answer: 7.9

Explanation:


P=2000, r=0.09, n=2\\\\4000=2000\left(1+(0.09)/(2) \right)^(2t)\\\\4000=2000(1.045)^(2t)\\\\2=1.045^(2t)\\\\\log_(1.045) 2=2t\\\\t=(\log_(1.045) 2)/(2)\\\\t \approx 7.9

User Cacau
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