Sub 505 (Easy)
6.09 - 4.693 =
505-555 (Easy)
1 - [2 - (3 - [4 - 5] + 6) + 7]
Sub 505 (Easy)
For a positive integer n, the number n! is defined to be n(n - 1)(n - 2) ... (1). For example, 4! = 4(3)(2)(1). What is the value of 5! - 3!?
Sub 505 (Easy)
5 4 (42 ÷ 3 16) =
Sub 505 (Easy)
If P = S 1 + n r and P , S , n , and r are positive numbers, then in terms of P , S and r what does n equal?
Sub 505 (Easy)
Which of the following is equal to 3/8 of 1.28?