1.) Outside a home, there is a 4-key keypad with letters A,B,C,andD that can be used to open the garage if the correct four-letter code is entered. Each key may be used only once. How many codes are possible?

The number of possible codes is

enter your response here.

2.)A restaurant offers a $12 dinner special that has 6 choices for an appetizer, 11 choices for an entre, and 3 choices for a dessert. How many different meals are available when you select an appetizer, an entre, and a dessert?

A meal can be chosen in enter your response here ways.

(Type the whole number.)

3.)You randomly select an integer from 0 to 19 (inclusively) and then randomly select an integer from 0 to 7 (inclusively). What is the probability of selecting a 4 both times?

The probability is

enter your response here.

(Type the integer or a decimal. Do not round.)