Without using a calculator, find the value of each of the following.

Use the x! key on your calculator to check your answers.

a. 7!

b. 4!/2!

c. 7!/3!

d. 8!/5!

e. 4!/2!2!

f. 6!/3!2!

g. 6!/(3!)²

h. 5!/3! × 7!/4!