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1225 = 1 x 52 + 2 x 5 + 2 = 3710
The probability of drawing a red 10 from a standard deck of 52 cards is 2 in 52, or about 0.03846.The Ten of Diamonds and the Ten of Hearts.
Number Card Two to Ten: 36/52 Diamond: 13/52 (36/52+13/52)-9/52=40/52 10/13
Base ten is the normal base used by everyone. With base ten, you can count from one to eternity without thinking much because base ten is commonly used. Note that additions and subtractions in base ten rounds of any summation that equals ten to 1 unlike in other bases that rely on the type of base. e.g 421 + 699 = 1120 in base ten
Since there are 2 red tens in a deck of 52 cards, the probability of choosing a red ten is 2 out of 52 = 1 out of 26 = 0,0384615385...