Respuesta :
251+345=596
Estimated to tens: 600
Estimated to hundreds: 600
Hope this helped!
I believe that the answer is around 595. The sum or answer to the equation is 596.

251+345=596
Estimated to tens: 600
Estimated to hundreds: 600
Hope this helped!
I believe that the answer is around 595. The sum or answer to the equation is 596.