Why is it a good idea to check to see if your answer is reasonable?
a. if your answer is reasonable, you have probably done the problem correctly
c. you just need to solve for the variable
b. if you understand the problem, you will not need to check your answer
d. to get the correct answer, you will need to draw a picture
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Option: a is the correct answer.

a.  if your answer is reasonable, you have probably done the problem correctly.

Step-by-step explanation:

Checking for reasonableness is a process by which students evaluate estimations to see if they are reasonable guesses for a problem.

So, a good idea to check to see if your answer is reasonable is:

a.  if your answer is reasonable, you have probably done the problem correctly.

( Since a reasonable answer is just a estimation of the problem it can't be claimed to be true but it is just a probable estimation ).

answ5

step-by-step explanation:

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