Answer:
7
Step-by-step explanation:
because 7 goes into 35 and goes into 14 and goes into 28
What is ratio for the geometric sequence?
U2 = 7
U1 = 35/2
r = U2 ÷ U1
r = 7 ÷ 35/2
r = 7 × 2/35
r = 1 × 2/5
ratio = 2/5 or 0,4
