Question

what is the estimated sum of 245+475 explain it​

Answer 1

Answer:

730

Step-by-step explanation:

So, 200 + 400 is 600.

Now, 45 +75. So just do 50+80 and that's 130.

Now if you want to get answer. Take away the two 5's that we used to round up and you get 720.

Answer 2

Answer:

estimated form of 245=200

estimated form of 475=500

estimated sum of 245 and 475 =

=200+500=700