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Let n be a positive integer. If  a = 414n + 12 , what is the remainder when a is divided by 9?

 Jul 23, 2021
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414n  =   9* 46n     so   this term  is always divisible by  9

 

12 / 9    leaves  a remainder of  3

 

 

cool cool cool

 Jul 23, 2021

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