Problem 273
Jennifer considered the numbers 4, 24, 44, and 64 and noticed that they all ended in 4 and that they can be divided evenly by 4, leaving no remainder. She concluded that all number that end in 4 can be divided evenly by 4. What type of reasoning did Jennifer use? Is her conclusion correct? Explain your answer.
Solution
She used invalid reasoning.
Her conclusion is not correct.
Because all number ends with 4 are not completely divisible.