Answer :

ghanami

Answer:

Step-by-step explanation:

note :  

the nth term is :  An =A1 × r^(n-1)

put : n = 2  you have the second term A2 =20 × (y²)^(2-1)

A2 = 20y²

n=3   A3=.......

n=4    A4 =.....

n=5 A5 = ......

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