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Mat 1010

by: Chantazia Wilson

Mat 1010 Mat 1010

Chantazia Wilson
GPA 3.0
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Math in Todays World
Jyotsna M. Diwadkar

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About this Document

All notes for chapter 16. This will be on the test.
Math in Todays World
Jyotsna M. Diwadkar
Class Notes




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This 2 page Class Notes was uploaded by Chantazia Wilson on Tuesday February 9, 2016. The Class Notes belongs to Mat 1010 at Wayne State University taught by Jyotsna M. Diwadkar in Winter 2016. Since its upload, it has received 55 views. For similar materials see Math in Todays World in Math at Wayne State University.


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Date Created: 02/09/16
All of Chapter 16 notes Money order and Transfer s change Total of digits 11 Last digit is check digit A To nd check digit 39 1 Add the 10 digits up 2 Divide the sum answer you get after doing step 1 by 9 3 Reminder is the check digit B Missing digit 1 the 1St 10 digits using x for the missing 2 Minus the check digit from the sum 3 The result in step 2 is something times 9 4 Find x missing UPC Total of digits is to 12 last digit is check digit A To nd check digit 1 Times digits in the odd place by 3 and to the answer you get from adding everything up 2 digit in the even place to nd sum 2 adding other number that s in the even place only 3 Add sum 1 and sum 2 4 Sum should be a mutipy of 10 5 Find x missing Find the missing digit thing you do to nd check digit just replace the missing with x or any letter Credit Card 39s 16 digits Let T be the of digits in the odd place that are equal to 5 of greater than 5 A To nd check digit x Times digit in odd places by 2 and add to nd sum 1 Add digit in even places to nd sum 2 Find T Sumsum1sum2T Sum should be a multiple x 10 Find x P PWF ISBN Total of digits 10 A To nd check digit 1 Find the following sum 10 x a1 9 x a2 8 x a3 7 x a4 1 x a10 repeating the check digits by x 2 The sum in 1 should be a multiple of 11 3 Find x


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