Asked by sammiexo

What is the exact value of x?

5⋅84x=376



x=log75.2/4log8

x=4log8/log75.2 <my answer

x=log84/log75.2

x=4log75.2/log8
Answered by Steve
not quite...

5⋅8^(4x) = 376
8^(4x) = 75.2
4x log8 = log75.2
x = log75.2/(4log8)

or, since 4log8 = log4096,

x = log<sub><sub>4096</sub></sub>75.2