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24-02-2021
Mathematics

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Keira divided 123.52 by 3.2 and got 38.6. Without using a calculator, how could she check to determine if her answer is reasonable?

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mchs37993 mchs37993

24-02-2021

She could round the numbers to easily check: 120/3=40

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20-09-2021

Answer:

Keira could use estimation to check her answer. 123.52 is about 120 and 3.2 is about 3. And 120 divided by 3 is 40. This is close to her answer, so it is reasonable.

Step-by-step explanation:

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