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Mathematics 9 Online
OpenStudy (babeberry):

Evaluate log4 16. −4 −2 2 4 <-- my answer

OpenStudy (babeberry):

@mathstudent55

OpenStudy (anonymous):

ur right @babeberry

OpenStudy (isaidavila):

Is log base 4 no?

rebeccaxhawaii (rebeccaxhawaii):

no that is incorrect

OpenStudy (isaidavila):

@BabeBerry

rebeccaxhawaii (rebeccaxhawaii):

it would be 2

OpenStudy (babeberry):

Y?

OpenStudy (isaidavila):

Yes 2 la the answer

OpenStudy (jdoe0001):

\(\bf log_{\color{red}{ a}}{\color{blue}{ b}}=y \iff {\color{red}{ a}}^y={\color{blue}{ b}}\qquad\qquad % exponential notation 2nd form {\color{red}{ a}}^y={\color{blue}{ b}}\iff log_{\color{red}{ a}}{\color{blue}{ b}}=y \\ \quad \\ thus \\ \quad \\ log_{\color{red}{ 4}}{\color{blue}{ 16}}= y\implies ?\)

OpenStudy (mathstudent55):

@BabeBerry This is an easy problem you can do in your head, but you need to understand the concept of logarithms.

rebeccaxhawaii (rebeccaxhawaii):

because |dw:1456181593357:dw|

OpenStudy (mathstudent55):

A logarithm is simply an exponent.

rebeccaxhawaii (rebeccaxhawaii):

you would multiply 4 twice to get 16 thats why its 2

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