A student can select one of 6 different mathematics books, one of 3 different chemistry books and one of 4 different science books. In how many different ways can a student select a book of mathematics, a book of chemistry and a book of science?
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Expert's answer
2020-05-27T18:42:51-0400
By the rule of product, there are 6 * 3 * 4 = 72 different ways.
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