Unit 3 Lesson 3 Assignment

For each question, include the calculations you used to find your answer. For example: 2*3*4 = 24

1) All students at Amerville College are issued student identification tags as follows:

Each student is assigned a five digit number, with repetitions allowed, followed by the letter F (fall semester) or S (spring semester). Additionally, each identification number is preceded by a D (day student) or N (night student). How many different tags are possible?

2) How many different four digit numbers greater than 4000 can be formed from the digits 3, 4, 8 and 9 if

repetition is allowed [x]

repetition is not allowed [y]

3) How many different seven digit telephone numbers are possible if the first digit cannot be a zero or a one? (assume no other restrictions exist, and repetitions are allowed

4) Each radio manufactured by a large electronics company is labeled with a serial number that consists of 2 letters followed by 4 numbers. How many different serial identification numbers are possible?

5) At lunch you have the following options:

Main meal: Pizza, PB & J, salad

snack: fruit, chips, tater tots

Drink: water, milk, chocolate milk, juice

Dessert: cookie or fruit.

How many different options for a lunch can you make?

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