math
posted by ceetah .
lucy wants to arrange 4 dolls on the shelf,one from spain,a doll from china,one from indonesia and one from mexico.how many different ways are there?

The first spot you have 4 choices
The second spot you have 3 choices
The third spot you have 2 choices
The fourth spoty you have 1 choice.
4 times 3 times 2 times 1 = 24 different ways since order matters
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