Solve each problem and write your answers in scientific notation.
1. (6.0 x 105) x (3.0 x 104) = (1 point)
18 x 1020
18 x 109
1.8 x 1020
1.8 x 1010
2. (5 x 10–2) ÷ (2 x 103) = (1 point)
2.5 x 10-5
2.5 x 10-1
25 x 101
25 x 102
3. (2.56 x 106) x (3.56 x 102) = (1 point)
9.1136 x 1012
91.136 x 108
9.1136 x 108
91.136 x 1012
4. In a recent year, the population of California was about 2.52 x 107 people. Its land area is about 4.05 x 105 km2. What was the average number of people per square kilometer? (1 point)
0.62 x 105
6.2 x 101
0.62 x 1014
6.2 x 109
The answers are 100%
1. D
2 A
3. C
4. B
Yeah, ¨Smile More¨ is 100% correct
Smile More is right
if you want to get a 100 listen to smile more
right answer is wrong. you are always going to have a decimal in it when working with this
Smile more is correct.
smile more. is write i was scared so i actally did thje mathj and it adds up to be write
I’m Connexus
Smile more is right!
1. D
2. A
3. C
4. B
4/4 100%