Question

Find the sum of the first 4 terms of the series.

2,-8,+32-128,+.......


a.
–101
c.
–102
b.
–103
d.
–104

Answer 1

-102

Explanation:

Find the sum of the first 4 terms

2, -8, 32, -128 are the first 4 terms

2 + (-8) + 32 + ( - 128)

2 + ( - 8) = -6

-6 + 32 = 26

-128 + 26 = -102

-102 is the sum of the first four terms

hope this helps

Answer 2

Find the sum of the first 4 terms

2, -8, 32, -128 are the first 4 terms


2 + (-8) + 32 + ( - 128)

2 + ( - 8) = -6

-6 + 32 = 26

-128 + 26 = -102

-102 is the sum of the first four terms

hope this helps