Incorrectly, we usually say that when we multiply any number by ten we “add” a zero to the number. Joshua is confused and thinks that 10 x 1.3 = 1.30 a) Explain to Joshua why his answer is not correct. b) Tell Joshua the rule/procedure for multiplying by 10 that applies to whole numbers and decimals. c) Using 10 x 1.3, explain why this rule/procedure is valid and makes sense

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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.