Question

Solve the logarithmic equation. Round to the nearest ten-thousandth if necessary.

log 8x^3=4
can someone list how to do this step by step?i'm having difficulties solving this problem

Answer 1

log (common logarithm) means power of ten

8 x^3 = 10^4

(2 x)^3 = 10^4 ... 2 x = ∛10000

Answer 2

so 2x = 10∛10
x = 5∛10

Answer 3

i still don't get how u got 10.77 steve,i'm very confused,could u tell me how u got that because when i put that last part in the calculator it gives me a whole complete different answer

Answer 4

I'm getting the same answer (10.77) did you check that you put your sqrt to 3(as in ∛ not √) they are different BTW

Answer 5

thanks,i will check

Answer 6

don't worry I do that same mistake EVERY TIME :)

Answer 7

i was doing it wrong the whole time,lol,thanks so much!

Answer 8

i'm glad i could help!

Answer 9

everyone saw the rounding requirement...right?

10.7722