Checkpoint: Pascal’s Triangle Solutions

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Use Pascal’s Triangle to solve.

$2^{7} = 1 + 7 + 21 + 35 + 35 + 21 + 7 + 1 = 128$

Note

Q: What term in row seven will contain the answer to the combination?

A: The sixth term $(r + 1 = 5 + 1 = 6)$