Answer:
no
Step-by-step explanation:
u needn't
Answer:
perhaps 60%?
Step-by-step explanation:
The number of ways of choosing 4 digits from 10 digits without replacement ( order is important) is
. This is the number of all possible permutations of choosing 4 from 10. The first 4 numbers of your phone number is a unique 4 digit number(4 different digits). The required probability is

Can you post link cause there’s no question