How do you write seventeen thousand millionths?

Answer 1

Using the short scale, a thousand millionth would be a billionth, thus I guess you want seventeen-thousand millionths:

17000/1000000 = 17/1000 = 17 ÷ 1000 = 0.017 = 1.7 x 10^-2

If you are using the long scale, it could be:

seventeen thousand-millionths = 17/1000000000 = 17 ÷ 1000000000 = 0.000000017 = 1.7 x 10^-8

Answer 2

It is 0.000000017 or preferably, 1.7*10^-8.