Question

8. Evaluate: {5²+ (12²)¹/²}³​

Answer 1

Answer:

{(5^2+12^2)^1/2}^3

={(25+144)^1/2}^3

={(169)^1/2}^3

={(13^2)^1/2}^3

={(13)^2*1/2}^3

={13}^3

=2197

Answer 2

Answer:

hope it helps, here I wrote 1/2 as 0.5, don't get confused