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Mathematics, 17.01.2020 15:31 lexybellx3

19. what is the probability of tossing a penny and landing on heads two times in a row?
20. the area of one playing card is 24 square centimeters. 52 cars are stacked on top of each other to make a deck. what is the volume of that solid deck?

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19. what is the probability of tossing a penny and landing on heads two times in a row?
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