__________ is important when solving permutations.

• numbers

• order

• combination

• repetition

The symbol for __________ is " ! "

• factorial

• factors

• multiplication

• product

When can you use the nCr function on your calculator?

• On all combination problems

• On combination problems with repetition

• On combination problems without repetition

• On all permutation problems

Order is not important when solving ____________.

• problems

• permutations

• combinations

• scenarios

For permutation and combination problems, we are calculating the number of _____________.

• people

• options

• events

• outcomes

When can you use the nPr function on your calculator?

• On all combination problems

• On permutation problems with repetition

• On permutation problems without repetition

• On all permutation problems

0! = ___

• 0

• 1

• no solution

• -1

Expand 4!

• 4 + 3 + 2 + 1

• 4 x 3 x 2 x 1

• 4 x 1

• 4

The formula n! can be used when ______.

• n = r

• n > r

• n < r

• n ≠ r

PERMUTATION OR COMBINATION?: You want to pick 2 pairs of shoes out of your collection of 10 to take with you on your trip.

• Permutation

• Combination