Evaluate: a+b^4 where a=2 , b=3

To evaluate a+b^4, substitute the values of a=2 and b=3 into the expression:

a+b^4 = 2 + (3)^4
= 2 + 81
= 83

Therefore, when a=2 and b=3, the value of a+b^4 is 83.