Short questions

Solve for n in the equation n!/(n - 2)! = 90 Consider the following set {0, 2, 3, 4, 5, 6} a) How many six-digit odd numbers can be A full algebraic solution is required. formed using these digits? Assume repetition is not allowed. b) How many numbers greater than 500,000 can be formed using these digits? Assume repetition is not allowed