**There are 18 mathematics majors and 325 computer science majors at a college. a) In how many ways can two representatives be picked so that one is a mathematics major and the other is a computer science major?**

The **Answer to the Question**

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**Here's the Solution to this Question**

By Combinatorial product rule, two representatives can be picked so that one is a

mathematics major and the other is a computer science major in $18\cdot 325=5,850$ ways.