8.5 x 250,000 = 2,125,000
2,125,000 x .00001 = 21.25km
1cm = .00001km
The mean is the average.
Total the numbers and divide by the quantity of numbers.
2 +2 + 3 + 3 +4 +4 +4 +5 +5 +5 +5 + 6 = 48
48 / 12 = 4
The answer is B.4
8) C
9) A
10) B
11) C
Hope i could help
