Posted by Chase on Thursday, September 13, 2012 at 3:46pm.
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

Math  Chase, Thursday, September 13, 2012 at 3:50pm
My answers are
1. d
2. c
3. b
4. a

Math  Chase, Thursday, September 13, 2012 at 3:56pm
Can any body cheack my answers

Math  Dan, Thursday, September 13, 2012 at 4:21pm
1. b
2. c
3. c
4. a

Math  Chase, Thursday, September 13, 2012 at 4:23pm
they are all wrong

Math  Kelly, Wednesday, November 14, 2012 at 12:57pm
1.d
2.a
3.c
4.b

Math  Kid, Friday, September 19, 2014 at 11:06pm
^^Kelly is correct:
1. D
2. A
3. C
4. B

Math  Joe :), Tuesday, October 7, 2014 at 1:08pm
Keep the chain going! both kid and kelly are correct!
1.D
2.A
3.C
4.B

Math  haylee, Wednesday, October 8, 2014 at 6:50pm
Kelly, Kid, and Joe are correct
1. D
2. A
3. C
4. B

Math  8TH GRADER, Wednesday, September 30, 2015 at 1:44am
theyre still the same I made a 100

Math  Katie, Wednesday, October 12, 2016 at 12:17am
My answers
1. D
2.A
3.c
4.b I got a 100% trust me will pass it
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