1. Given these terms in a geometric series:
182 + 104 +416/ 7+ 1664/ 49
a.What is the common ratio? (1 point) Have your final answer as a simplified fraction.

b. What is the exact value of the 7th term? (2 points) Have your final answer as a simplified fraction.

c. What is the sum of the first 7 terms of this series? Show your substitution into the Explicit Formula for the sum of this series for the first 7 terms. Have your final answer as a simplified fraction.