Respuesta :
the best estimate would probably be something like this:
290+10= 300
I rounded up because you are estimating, you don't want the exact answer
Here is the exact answer without estimation:
289+7=296
290+10= 300
I rounded up because you are estimating, you don't want the exact answer
Here is the exact answer without estimation:
289+7=296
Answer:
I don't know if thus right or not?!
Step-by-step explanation: