Question: A genealogical Web site allows a person to identify all of her or his ancestors who lived during the last 300 yr. Assuming that each

A genealogical Web site allows a person to identify all of her or his ancestors who lived during the last 300 yr. Assuming that each generation spans about 25 yr, guess the number of ancestors that would be found during the 12 generations. Then use the formula for a geometric series to find the correct value.

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