Math
posted by Chase .
1. (6.0 x 10^5) x (3.0 x 10^4) =
a. 18 x 10^20
b. 18 x 10^9
c. 1.8 x 10^20
d. 1.8 x 10^9
2. (5 x 10^2) รท (2 x 10^3) =
a. 2.5 x 10^5
b. 2.5 x 10^1
c. 25 x 10^1
d. 25 x 10^2
3. (2.56 x 10^6) x (3.56 x 10^2) =
a. 9.1136 x 10^12
b. 91.136 x 10^8
c. 9.1136 x 10^8
d. 91.136 x 10^12
4. In a recent year, the population of California was about 2.52 x 10^7 people. Its land area is about 4.05 x 10^5 km^2. What was the average number of people per square kilometer?
a. 0.62 x 10^5
b. 6.2 x 10^1
c. 0.62 x 10^14
d. 6.2 x 10^9

My answers are
1. d
2. c
3. b
4. a 
Can any body cheack my answers

1. b
2. c
3. c
4. a 
they are all wrong

1.d
2.a
3.c
4.b 
^^Kelly is correct:
1. D
2. A
3. C
4. B 
Keep the chain going! both kid and kelly are correct!
1.D
2.A
3.C
4.B 
Kelly, Kid, and Joe are correct
1. D
2. A
3. C
4. B 
theyre still the same I made a 100

My answers
1. D
2.A
3.c
4.b I got a 100% trust me will pass it