1 line cause every plane contains atleast 3 or more noncollinear points
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If we toss three coins 240 times, how many times can we expect the coins to have three tails showing?
Three of them
How many strings of three digits are there? 000 to 999, or a total of 1000. How many strings of three digits contain the same three digits? That's 000, 111, 222 ... 999! ten in total. The difference is your answer: 1000-10 = 990.
6
Four outcomes, three combinations.