The result is 117,649
72 = 7 x 7 = 49
49
To figure this out you simply multiply: 7 x 7 x 7 = 343
7-2 = 1/49
The number 7 raised to the 2nd power (or squared) equals 49.
An equation.
2u2(17u2 + 7)
(7/5)^2 = 49/25
9
The answer to -7^2 = +49. Remember, a negative times a negative is a positive as in this case.
72 = 49 = 4.9*101