Question

Catalina multiplied 842 and 3 and got 3,326. How can see check to see if her answer is reasonable?

Answer 1

No her answer is not reasonable. If you round 842 to 850 and multiplied that by 3 you would get 2,550.

Explanation:

Answer 2

divide 3,326 by 3 and if she gets 842 it should be reasonable