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Set is a game played with cards that each contain four attributes, where each attribute takes on one of three possible values. The goal of the game is to find sets (hence the game's name) of three cards, such that for each of the four attributes, either all three cards have different values or all three cards have the same value. Each card contains four attributes, each of …

The rule of product states that if there are \( n\) ways of doing something, and \( m\) ways of doing another thing after that, then there are \( n\times m\) ways to perform both of these actions.

Since Ravi can choose a reptile, or a bird, or a rabbit, or a fish, the rule of sum applies. Then. there are \(3\) ways to select a reptile;

When dealing with positive integers, exponents can be thought of as a shorthand notation for "repeated multiplication" of a number by itself several times. For example, the shorthand for multiplying 5 copies of the number 2 is ...