Respuesta :
Answer:
170
Step-by-step explanation:
To estimate you can do this:
90 + 70 = 160
4 + 6 = 10
160 + 10 = 170
That is one way to estimate sums...Hope this helps :D
Answer:
170
Step-by-step explanation:
To estimate you can do this:
90 + 70 = 160
4 + 6 = 10
160 + 10 = 170
That is one way to estimate sums...Hope this helps :D