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Mathematics 8 Online
OpenStudy (anonymous):

6^8x=216

OpenStudy (anonymous):

Use Log to both sides

OpenStudy (unklerhaukus):

\[6^{8x}=216\\\log_6(6^{8x})=\log_6(216)\\=\]

OpenStudy (anonymous):

i still dont understand

OpenStudy (anonymous):

What power of 6 is 216?

OpenStudy (unklerhaukus):

can you simplify the right hand side? \[\boxed{\log_bx^n=n\log_b x}\] \[\boxed{\log_b b=1}\]

OpenStudy (anonymous):

3

OpenStudy (unklerhaukus):

*left

OpenStudy (anonymous):

In a simple way ,When you use the log ,the power will get down 6^8x When you use the log : 8x *Log(6) then : 8x*(Log6)=Log216 8x=Log216/Log6 Can you get the value of x now ?

OpenStudy (nurali):

\[6^{8x}=216\] \[6^{8x}=(6)^3\] \[8x=3\] \[x=\frac{ 3 }{8 }\]

OpenStudy (anonymous):

oh ok. Thank you all so much

OpenStudy (nurali):

Anytime.

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