Someone PLEASE help me?
(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

Question

Someone PLEASE help me?
(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

anonymous · Answer

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