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I need help with this, it’s counting principles but I don’t know how to do it! Help

I need help with this, it’s counting principles but I don’t know how to do it! Help-example-1

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The answer is 2^12 = 4096.

Look at a tree diagram. With one spin there are two possible outcomes (branches). Every time you spin, each of the branches split into two more branches.
With 12 spins, first there are 2 branches, then 2*2, then 2*2*2, ... In the end it's 2^12
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