Answer:
I think it is ether A are B
The total number of alphabets are 26.
The total number of vowels are 5.
Th repetition is allowed.
The possible outocme for all to be vowels are,


The total outcome is,

Therefore, the probability that all 4 will be vowels ,


The probability is 0.137 %.
Answer:
16
Step-by-step explanation:
I really don't know at all
N=21 over 4 You solve for n by simplifying both sides of the equation, then isolating the variable.