Mathematics, 24.01.2020 03:31 jennifercastillo1233
sandra used partial products to find the product of 438 x 17 by multiplying 438 by 1 and 438 by 7 to get 3,066.is sandra correct? compare your answer to sandra's and explain why it is or is not the same.
Answer from: levigabehart
No, Sandra is not correct.
Step-by-step explanation:
Sandra was needed to multiply 438 by 17.
.
17 = 10 + 7.
Sandra multiplied 438 by 1 and then multiplied 438 by 7. Sandra had taken as the answer.
Multiplying by 1 and multiplying by 10 is not same.
Sandra mistakenly multiplied 438 by 1 instead of 10.
Hence, Sandra got the wrong answer.
Answer from: Quest
Yes you are correct
Answer from: Quest
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sandra used partial products to find the product of 438 x 17 by multiplying 438 by 1 and 438 by 7 to...
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