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Original Question
stacy multiplied 5x9 and said the answer was 44. what two patterns could you use to show that her answer is not correct?Question
Stacy Multiplied 5 * 9 and said the answer was 44. What 2 patterns could you use to show that her answer is not correct?
Answers
Ms. Sue
Numbers multiplied by 5 will always end in either 0 or 5.
The digits of products of 9 always add up to 9.
The digits of products of 9 always add up to 9.