solve 2000=608(1+.08)^x

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1 Answer

??????????????? "use av" ????????????

wi dont yu yuze logs ????????????

608*(1.08)^x=2,000

(1.08)^x=2000/608=3.289473684

log[(1.08)^x]=log(3.289473684)=0.517126416   (base=10)

log[(1.08)^x]=x*log(1.08)=0.033423755x

x=0.517126416 / 0.033423755

=15.47182261

x=15.47
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