How do you solve a question with a number raised to the power of a mixed fraction??
Example
7 3+1/4 =
7 13/4 =
[7^13] 1/4 =
[ 96889010407 ] 1/4 ≈ 557.916
Note that we also could have evaluated this as
[ 7^(1/4) ] 13 ........the answers would have been the same
+319 
