Answer:
2n-2
Step-by-step explanation:
h(n+1) = 2(n+1)-4
=2n+2-4
=2n-2
Answer: There is increase of 4.255 in the amount of carbon in the atmosphere.
Step-by-step explanation:
Since we have given that
Concentration of carbon in Earth's atmosphere in 1800 = 280 ppm
Concentration of carbon in Earth's atmosphere in 2015 = 399 ppm
We need to find the percentage increase in the amount of carbon in the atmosphere.
So, Difference = 399-280 = 119 ppm
so, percentage increase in the amount of carbon is given by

Hence, there is increase of 4.255 in the amount of carbon in the atmosphere.
If you wanted the meaninggg, "The mean absolute deviation of a set of data is the average distance between each data value and themean. The mean number of contacts stored and the distance each data value is from the mean is shown below. Each data value is represented by an ×. 48. 52"
Answer:
9 most likely
Step-by-step explanation:
This is because 3 is one away from 4, so 8 is one away from 9.
7/9 would be irrational, I think.