there are 4 suits in a deck, each suit has a 5 do the math and multiply 4x5
From a standard deck of 52 cards, 1/52.
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.
7
20
24
75
90
10
i think there are 18 digit 5s.
12
The answer would be 7,000