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Algebra
Question

Garage Door Openers The code for some garage door...

Garage Door Openers The code for some garage door openers consists of \(12\) elec- trical switches that can be set to either \(0\) or \(1\) by the owner. With this type of opener, how many codes are possible? (Source: Promax.)

Answer

\(4096\)

Solution
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