About 3.2×10^8 people live in the United States. About 3.9×10^7 people live in Canada. And about 1.1×10^8 people who live in Mexico. About how many people live in all three countries altogether?

Respuesta :

732703

Answer:

469000000

Step-by-step explanation:

4.9*10^(8)

Answer would be:

469000000