The problem
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Please explain further i am trying to find the exponent value that makes this equation true thanks you
Answer provided by our tutors
One way to solve it:
Since 8 = 2*2*2 = 2^3 we have 1/8 = 1/2^3=2^(-3)
Another way is to go to options and select Calculate using real (decimal) numbers
This way you will get the same solution: