Type the value.

Exercise and reference answers

Questions

1. Answer

   120

   Question

   5!

2. Answer

   1

   Question

   0!

3. Answer

   10

   Question

   C(5,2)

4. Answer

   20

   Question

   C(6,3)

5. Answer

   12

   Question

   P(4,2)

Instructions

Quick mental-math sprint.

Explanation