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Mathematics 14 Online
OpenStudy (anonymous):

10+2e^8x=30

OpenStudy (anonymous):

my options are a 0.2878 b 1.8444 c 1.7006 d 10.0000

OpenStudy (anonymous):

Thanx!

hartnn (hartnn):

@surjithayer you took log to the base 'e' or 10 ?? because there's an error in your working....

OpenStudy (dls):

10+2e^8x=30 2e^8x=20 e^8x=10 8x=ln10 x=ln10/8

OpenStudy (dls):

0.287..approximately

hartnn (hartnn):

^

OpenStudy (dls):

she took log to base e on LHS and log to base 10 on RHS lol

OpenStudy (dls):

or he :o

OpenStudy (anonymous):

you are correct,thanks.

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