Answer
x y
1 $2^1$-1
2 $2^2$-1
3 $2^3$-1
4 $2^4$-1
5 $2^5$-1
6 $2^6$-1
7 $2^7$-1
The pattern is that the sum of the terms is the same as 2 raised to the power of the value of x (and then subtracting 1).
Work Step by Step
The pattern is that the sum of the terms is the same as 2 raised to the power of the value of x (and then subtracting 1).
