Question

How can estamating products help you to place the decimal correctly

Answer 1

If we have the problem: 3 times 1.2, and if we estimate the product, we get (3 times 1) 3. If you really do multiply it out, then you get 3.6. But what if you didn't know that, and you put 0.36. 0.36 is say off from our estimated product: 3. Therefore, we know that 0.36 is wrong, and 3.6 is correct (or reasonably correct), because 3.6 is close of 3. I hope this helps! :D

Answer 2

It is easier because you can see if your decimal answer is closer to the actual answer