4 x’s for 1/4
2 x’s for 2/4
1 x for 3/4
2 x’s for 1
Answer:
The answer is 6.3
Step-by-step explanation:
Step-by-step explanation:
50, 278, 976, 6866, 68, 48.77, 68 1/9
I guess you are asking to find the sum of the first 8 terms. If so, then:
Sum = a₁(1-rⁿ)/(1-r), where a₁ is the 1st term, r=common ratio and n=number of terms:
the 1st term a₁ =3
common ratio r = - 2 (since -6/3 = - 2, and 12/-6 = - 2, etc.)
Sum = 3[(1- (-2)⁸]/(1-2) = 3(1- 256)/(1/2)
Sum = -1530