a)Select a variety of one- and two digit numbers between 1 and 99 and multiply by 9. Record your results. b) Find the sum of the digits in each of your products in part (a). If the sum is not a one digit number find the sum of the digits of the resulting sum again until you obtain a one -digit number, c) make a conjecture about the sum of digits when a one- or two digit number is multiplied by 9

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