8.62 = 73.96
If you mean: 4x -2 = 86 then the value of x is 22 when solved
The value of 4 to the power of -2 is 0.0625
The increase is 88 - 2 or 86. The percentage increase is 100 times this number divided by the original value, or 100(86/2) or 4300 %.
0.03 is the square power
8686 = 2.3273773687010809805103263055262e+166
It is: 2 to the power of 8 = 256
86
The value for a one-sided confidence interval of 86% is 1.08
48
Just write it as 2 to the power n. You can't simplify that, and you can only calculate a specific value if you know the value of n.
(33)2.
Just 2 2 to power 3 is 2x2x2=8 2 to power 2 is 2x2=4 2 to power 1 is 2