Question

4.in a recent year, the population of california was about 2.52x10^7 people. its land area is about 4.05x10^5 km^2. what was the average number of people per square kilometer?

0.62x10^5
6.2x10^1
0.62x10^14
6.2x10^9

Answer 1

As given;

2.52x10^7 people are living in 4.05x10^5 km^2 area. then for 1km^2, the number of people can be calculated as:
people in 1km^2 = (2.52x10^7) / (4.05x10^5)
=0.62x10^2
or
=6.2x10^1

Answer 2

Answer:

1.d

2.a

3.c

4.b

:) just took the practice got its 100% thee answer

God bless you guys

and thank u the person above me i needed help on that one only and you really helped me