You will have to type it into Microsoft word first, type a number or algebraic expression into a Word document. Press the "Ctrl," "Shift" and "=" keys on your keyboard to turn on the Superscript mode. Enter another number or expression signifying the exponent.
The price would come out to be about 8 dollars if you are looking for whole numbers the original answer is 7.9 if I got this wrong I am sorry I did know the # of toppings