Question

Find the sum each of the following to n terms :

(a)7+77+777+7777+....
(b) 4+44+444+ .......
(c) 3+33+333+.......
(d) 0.9+0.99+0.999+.......​

Answer 1

Answer:

a)8,638

b)492

c)369

d)2.889

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