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Math 120 SP08
Section 6.3 Notes: Addition & Multiplication Principles
Brodnick
Examples
:
1. You go to a restaurant where they are serving 2 beef dishes, 3 poultry dishes, and 4 seafood dishes.
You get
to choose any one entrée.
How many choices do you have?
2. Same scenario, but you get to choose one entrée from each category.
How many possible ways can you
choose?
*
Addition Principle
:
*
OR
→
Add
*
Multiplication Principle
:
*
AND
→
Multiply
Examples
:
3. A license plate contains 4 digits followed by 3 letters.
a. If there are no restrictions placed on the letters and digits used, how many plates are possible?
b. If no repetition of letters or digits is allowed, how many plates are possible?
c. If the first digit must be even, the second and third odd, followed by distinct vowels, how many plates are
possible?
d. If the plate must contain an odd digit followed by distinct even digits followed by distinct consonants,
how many possibilities are there?
4. You go to an ice cream shop that offers 23 flavors of ice cream, 8 flavors of frozen yogurt, 5 toppings, and
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This note was uploaded on 04/07/2008 for the course MAT 120 taught by Professor Brodnick during the Spring '08 term at Illinois State.
 Spring '08
 Brodnick
 Math, Addition, Multiplication

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