Respuesta :

Pipsqeak1

Answer:

a) 3000

b) 12

Step-by-step explanation:

I will round to the nearest hundred and multiply. Note that these are estimates, as the questions stated.

a) 456 x 615 ≈ 500 x 600 = 3000

b) 1245/145 ≈ 1200/100 = 12

I hope this helps! :)