Alonzo is doing research for the city newspaper on the six topics listed below. He can choose to write about some or none of these topics. He doesn't have time to write about all of them.   Agriculture, Climate, Education, Food, Healthcare, Jobs   In how many different ways can Alonzo choose the topics he will write about? (The order of the topics chosen doesn't matter.)

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Q: You have four hours of free time today. You want to spend each hour doing something different. You…

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Q: For this problem, assume that 13 exhibits entered the science fair, and that we want to assign 3…

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Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.