THE REALS
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THE REALS

by professoressa italiano

Maths Activities. - 1 1. You have 2 parents, 4 grandparents, 8 great-grandparents, and so on. If I count parents as 1 generation back etc, then a. How many great-great-etc. -grandparents do I have 20 generations back? b. Estimate how long ago that would... More

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