Two digits are selected with replacement from the digits 1, 2, 3, 4, 5, and 6.How many possibilities are there for the first digit?
Question
Two digits are selected with replacement from the digits 1, 2, 3, 4, 5, and 6.How many possibilities are there for the first digit?
Solution
There are 6 possibilities for the first digit. Since the digits are selected with replacement, after a digit is selected, it is "replaced" back into the set of options, so the number of options does not decrease. Therefore, you can choose from 6 digits for the first digit.
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