Question

Find sum of 6 term of gp 0.1,0.01,0.001

Answer 1

Answer:

a = 0.1

r = 0.01/0.1 = 0.1       (r<1)

n = 6        

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

s6 = 0.1[1 - (0.1)^6]/1 - 0.1

    = 0.1[1 - (0.1)^6]/0.9

    = [1 - (0.1)^6]/9

    = 1/9[1 - (1/10)^6]

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