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Exemplo 1.5 de Prealgebra, 1.1 Introduction to Whole Numbers
Introduction to Whole Numbers: exemplo 1.5
Problema e solução em inglês, como no livro original.
A student conducted research and found that the number of mobile phone users in the United States during one month in was Name that number in words.
Resolva no papel primeiro. Depois abra a solução um passo de cada vez e pare assim que conseguir terminar sozinho.
Solução
Identify the periods associated with the number.
Name the number in each period, followed by the period name. Put the commas in to separate the periods.
Millions period: three hundred twenty-seven million
Thousands period: five hundred seventy-seven thousand
Ones period: five hundred twenty-nine
So the number of mobile phone users in the Unites States during the month of April was three hundred twenty-seven million, five hundred seventy-seven thousand, five hundred twenty-nine.
Sua vez
O Try It do livro logo depois deste exemplo: mesma ideia, outros números. Só a resposta é dada.
The population in a country is Name that number.
Como foi?