6 + 66 + 666 + ….n terms =

Find the sum of the following series: 0. 6+0. 66+0. 666 to\ n\ t e r m s

Calculate: 0.6+0.66+0.666+ ..... n terms.

Let N = 6 + 66 + 666 + ... + 666....66, where there are hundred 6's in the last term in the sum. How many times does the digit 7 occur in the number N ?

Find the sum of the series 0.6 +0.66 +0.666+ ... to the n terms

Why are the number 66 and 6 put in the names of naylon-66 and nylon-6?

Why are the number 66 and 6 put in the names of nylon 66 and nylon 6 ?