Patulong po ulit, ipagpray ko nalang kayo. Salamat!

Answer:
First term a =1/2
Fourth term ar^3 =4/27
1/2 ×r^3 =4/27
r^3 = 4/27×2= 8 / 27 =(2/3)^3
r =2/3
2 nd term = ar =2/6 =1/3
3 rd term =ar^2 =2/9
Step-by-step explanation:
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