Posted by **Chloé** on Friday, April 25, 2014 at 2:02pm.

1. 4!

a.) 3

b.) 6

c.) 12

d.) 24******

2. 5!

a.) 25********

b.) 120

c.) 250

d.) 625

5. Five friends are having their picture taken. How many ways can the photographer arrange the friends in a row?

a.) 150

b.) 100

c.) 120*******

d.) 80

6. How would you apply the fundamental counting principle to a bike lock combination with 5 numbers?

a.) 10 + 10 + 10 + 10 + 10

b.) 10 × 5

c.) 10 × 10 × 10 × 10 × 10*******

d.) none of these

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