Question

a= 3;r=3/2 ; n = 5 find Sn in GP ​

Answer 1

Answer:

39.56

Step-by-step explanation:

Sn= a(r^n-1/r-1)

Sn=3((3/2)⁵-1/(3/2)-1)

Sn= 3(211/16)

Sn= 39.56