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cestrela7 [59]
3 years ago
7

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

Mathematics
1 answer:
Hoochie [10]3 years ago
5 0

Answer: 15.72575

Step-by-step 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)

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