Evaluate the expression when m=2.

m^2+27

To evaluate the expression `m^2 + 27` when `m = 2`, we substitute `2` for `m` in the expression:

`(2)^2 + 27`
= `4 + 27`
= `31`

So, when `m = 2`, the expression `m^2 + 27` evaluates to `31`.