To find out how many 5's are in 250, you divide 250 by 5. When you perform the division, 250 ÷ 5 equals 50. Therefore, there are 50 fives in 250.
Fifty. 50 x 5 = 250 == ==
21 5s
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.
20
24
90
75
10
7
i think there are 18 digit 5s.
103.4
66 of them.