:higher numbers of people clustered in dense areas make it easier for a virus to be transmitted. in 2018, there is an average of 45.6 people per 3 square kilometers in the united states. how many people live in 1 square kilometer?

15.2 people/km²

Step-by-step explanation:

Divide the number of people by the number of square kilometres.

45.6/3 = 15.2 people/km²

15.2 people per km^2

Step-by-step explanation:

45.6 people/3 km^2 = 15.2 people/km^2

2.   2 3/5.

3.   2 1/2.

step-by-step explanation:

6 - 3 2/5

= 6 -   17/5

= 30/5 - 17/5

= 13/5

= 2 3/5 (answer).

5 1/4 - 2 3/4

= 21/4 - 11/4

= 10/4

= 2 1/2 (answer).

answer is 12345678900987654321234567890987654321

step-by-step explanation: