dawgmaje5821 dawgmaje5821
  • 24-02-2021
  • Mathematics
contestada

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?

Respuesta :

mchs37993 mchs37993
  • 24-02-2021
She could round the numbers to easily check: 120/3=40
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54929
54929 54929
  • 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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