The number of ways 4 digit numbers can be forms using the digits 0 to 9 with no number repeated is given by

The probability that one of the numbers is 9876 is given by
(x-3)^2 x=a number in this case
Answer:
Its a function
Step-by-step explanation:
x cant be the same
Separate the root expression into the two numbers you found as factors, with each number now under its own square root symbol. For example, sqrt(12) = sqrt(4) times sqrt(3). 3) Keep simplifying. The square root of a perfect square becomes just a number, without theradical<span> square root symbol.</span>