SOLUTION: How so I work ln x + ln8 = 5
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Question 924805
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How so I work ln x + ln8 = 5
Answer by
rothauserc(4718)
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note that ln x + ln 8 = ln(8x), then we have
ln(8x) = 5
use definition of logarithm
8x = e^5
note that e is 2.718281828
8x = (2.718281828)^5
8x = 148.413158977
x = 18.551644872