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Mathematics 25 Online
OpenStudy (anonymous):

Solve for x to four significant digits? ASAP 7^x=13

OpenStudy (anonymous):

log both sides

OpenStudy (anonymous):

log(7^x) = log 13 x * log 7 = log 13 x = log 13 / log 7 use ur calctor to find the logs

OpenStudy (anonymous):

I did that but I don't know how to find what x=

OpenStudy (anonymous):

My calculator said 1.32 but it has to be 4 digits

OpenStudy (anonymous):

log 13 = 1.1139 log 7 = 0.8450 divide them = 1.3182 there must be a way to set ur calctor for more than 2 digits...

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