What is sum of fourth powers of n numbers?

Question

What is sum of fourth powers of n numbers?

Answer 1

n to the power of 4:

1 to the power of 4 is 1             (1x1x1x1)

2 to the power of 4 is 16           (2x2x2x2)

3 to the power of 4 is 81           (3x3x3x3)

etc.

So the sum depends on where you start and where you go up to really... However, you have to do it length-ways. For instance, you can't do 1+2 to the power of 4. Because 1+16 isn't 81.