Asked by hawseefoo
4 ^ -3 / 4 ^ n = 1/256
What is N?
(i have no idea)
What is N?
(i have no idea)
Answers
Answered by
oobleck
4^-3 / 4^n = 1/256
Now, 256 = 4^4, so that means that 1/256 = 4^-4
so, equating the powers of 4,
-3-n = -4
n = 1
Now, 256 = 4^4, so that means that 1/256 = 4^-4
so, equating the powers of 4,
-3-n = -4
n = 1
Answered by
hawseefoo
thanks :)
Answered by
Henry2,
Another approach.
1/4^3*4^n = 1/256,
Invert both sides:
4^3*4^n = 256,
64*4^n = 256,
4^n = 4,
n*Log4 = Log4,
n = Log4/Log4 = 1.
84
6n =
1/4^3*4^n = 1/256,
Invert both sides:
4^3*4^n = 256,
64*4^n = 256,
4^n = 4,
n*Log4 = Log4,
n = Log4/Log4 = 1.
84
6n =
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