Question

1 + 4 + 16 + ... + 256
Express the following using sigma notation.
Please explain simply and clearly.. thank you (:

Answer 1

First Find the nth Term..

Answer 2

Tn = 4^n

Answer 3

Hope nw u can Solve the rest

Answer 4

thank you. but how do i find the number above the sigma sign (the end number)?

Answer 5

4^n = 256


Find n...

Answer 6

how do you solve for n since its an exponent?

Answer 7

thank you(:

Answer 8

Welcome..:)