This math topic focuses on calculating probabilities when rolling two dice, specifically on determining the probability of rolling specific pairs of numbers, such as two 2's, two 6's, two 5's, or two 1's. The equations for calculating these probabilities are presented in fraction form. For each instance, multiple choice answers are provided to select the correct probability expression. This basic exercise is part of a broader unit introducing multiple events in probability and counting.
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What is the equation for the chance of rolling 5's on both these dice?