You just have to multiply both by 2, and 3/4 = 6/8. 3 times 2 equals 6, and 4 times 2 equals 8. I hope I helped! :-)
Answer:
C = 25.13cm
C = π d = π · 8 ≈ 25.13274cm
Answer:
Seventh term is 64
Sum of the first seven terms is 127
Step-by-step explanation:
The common ratio is 2
n = 7 and the first term is 1. So,

Seventh term is 64



Sum of the first seven terms is 127