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Someone please help me solve this
40=250(0.89)^x

User Kevin F
by
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1 Answer

1 vote

Answer: 15.72575

Explanation:

Divide 250 over:

40/250=(0.89)^x

Log both sides (easiest with graphing calculator)

Remember exponent comes down in front on a log

Log(0.16) = x log (0.89)

X= Log (.16) / log (0.89)

User Martin Sykes
by
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