Question 620588
Solve the exponential equation.
2x = 1/2
If x is the exponent:
Use ^ for exponents.
2^x = 1/2
x = -1 by inspection.
The long way:
x*log(2) = log(1/2)
x = log(1/2)/log(2)
x = -1
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Do the others the same way.
3x = 1/27

2-x = 16

4x = 0.5

8x = 1/4