None. It's written with only the digits '1' and '0'.
If one were to divide 1,000 by 5, he would get a quotient of 200.
Exactly 200 of them
To find out how many 5s are in 1000, you divide 1000 by 5. Doing the calculation, 1000 ÷ 5 equals 200. Therefore, there are 200 fives in 1000.
21 5s
They are 5 and 5/1000
In the Rb atom, the electron configuration is [Kr]5s^1. This means there is 1 electron in the 5s sublevel of the Rb atom.
90
20
10
75
24
7
i think there are 18 digit 5s.