Answer:
r = 25/64
Explanation:
Given GP:
Common ratio is the ratio of the next term to the previous term:
Prime factors of both numerator and denominator added:
- 2 × 2 × 3 × 5 × 5/2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 =
Same factors cancelled:
- 5 × 5/ 2 × 2 × 2 × 2 × 2 × 2 =
- 25/64