Mini-Question: When it says “E” can go into 5 places, I like to think of it visually:

[RZ923]

When it says “E” can go into 5 places, I like to think of it visually:

So \(5\).

[debbie]

@RZ923 Visual math = awesome

[Bulba_Bulbasaur]

@debbie although there are 5 to choose from, only four boxes are there.