How to solve logarithmic log[e](x+10)=4
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How to solve logarithmic log[e](x+10)=4

[From: ] [author: ] [Date: 12-05-03] [Hit: ]
718....three decimals will doso e^4=54.4544 54.......
log[e](x+10)=4

log'e'(x+10)=4 (the 'e' is on bottom)

Please show full working out
answer = 44.59 (please correct me if answer is incorrect)

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log(base e) = ln.
ln(x + 10) = 4
take antilogs
x + 10 = e^4
x = e^4 - 10 = 54.598 - 10 = 44.598

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log to the base e is usually written as ln

here ln(x+10)=4 0r e^4=x+10 x=e^4-10 but e is a constant having the value 2.718....

three decimals will do so e^4=54.4544 54.4544-10=44.4544

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log[e](x+10)=4

ln(x+10)=4

x+10=e^4

x=e^4-10

x=54.60-10

x=44.60

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The log(e) which equals 4

is 54 .598..............using inv of ln

so

x + 10 = 54.598

x = 44 .598
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