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Mathematics 7 Online
OpenStudy (dtan5457):

Can someone help me with translating log to exponential form, vice versa?

OpenStudy (danjs):

logs are exponents

OpenStudy (dtan5457):

How do you create that tiny number next to a log?

OpenStudy (danjs):

log base b of x means. b to what power equals x

OpenStudy (danjs):

\[\log _{b}x = y~~~~~~~or~~~~~~b^y = x\]

OpenStudy (danjs):

b to what power is x,, b to the y power is x

OpenStudy (anonymous):

\log_b

OpenStudy (dtan5457):

ok. i see that. can there ever be a number in front of the log? i just want to know all the rules basically

OpenStudy (dtan5457):

and if so, what does that represent?

OpenStudy (calculusfunctions):

For example, if\[2^{3}=8\]Then\[\log_{2} 8=3\]

OpenStudy (danjs):

remember \[\log _{b}(x^n) = n*\log _{b}x\]

OpenStudy (anonymous):

\[10^{-3}=.001\iff \log(.001)=-3\]

OpenStudy (calculusfunctions):

IF\[\log_{b}x =y \]then the base b must be a positive real number except 1, the argument x > 0, and the exponent y can be any real number.

OpenStudy (danjs):

That expression satellite typed in is: log base 10 of 0.001 = -3 "10 to what power is 0.001" that =-3

OpenStudy (dtan5457):

Can someone explain inverse log?

OpenStudy (triciaal):

the log of a number is the power to which the base must be raised to get that number

OpenStudy (triciaal):

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