Select any two-digit number. Multiply it by 9. Then add the digits. Keep adding the digits in the answer until you get a single-digit answer. Using inductive reasoning, what can you conjecture about any whole number multiplied by 9? Use deductive reasoning to prove that your conjecture is true.
Select any two-digit number. Multiply it by 9. Then add the digits. Keep adding the digits in the answer until you get a single-digit answer. Using inductive reasoning, what can you conjecture about any whole number multiplied by 9? Use deductive reasoning to prove that your conjecture is true.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 64RE
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Select any two-digit number. Multiply it by 9. Then add the digits. Keep adding the digits in the answer until you get a single-digit answer. Using inductive reasoning, what can you conjecture
about any whole number multiplied by 9? Use deductive reasoning to prove that your conjecture is true.
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