Question

Find the value of [5 to the power 2 + 12 to the power 2 ]1/2​

Answer 1

Step-by-step explanation:

Here are some solved examples on exponents using the laws of exponents.

1. Evaluate the exponent:

(i) 5-3

(ii) (1/3)-4

(iii) (5/2)-3

(iv) (-2)-5

(v) (-3/4)-4

We have:

(i) 5-3 = 1/53 = 1/125

(ii) (1/3)-4 = (3/1)4 = 34 = 81

Answer 2

Answer:

Step-by-step explanation:

[5 to the power 2 + 12 to the power 2 ]1/2

=5²=25

=12²=144

=144+25=169

=169/ 1/2

=84.5

hence proved