3 + 2 + 1 = 6
270 ÷ 6 = 45
45 × 3 = 135
45 × 2 = 90
45 × 1 = 45
3 : 2 : 1
135 : 90 : 45
Answer:
Step-by-step explanation:
r =
Using the geometric series formula for the <em>n</em>th term:
2.06
3x102=306
6×105=630
630 ÷ 306 = 2.0588235294
round it to 2.06