She reveals that she has feelings for Gastby
1. your in the wrong subject
2. The trend line or line of best fit is used to describe the relationship of data in a scatterplot because it shows a general trend in the data points. A trend line will get you the most accurate predictions you can out of scattered data points.
I bet many things happened in 1790, on Brain.ly you need to be more specific. :)
Explanation:
part A
we know how much erg of radiant energy the sun produces for one second so to find out how much it produces for 2.45 ⋅ 10^5 seconds we only should multiply these seconds to the erg of radiant energy it produces for one second
amd we get 9.555*10^38erg of radiant energy
Part B:
0.0074mm knowing that blood cell is very small to be seen normally without microscope.
and 7400mm is a measure that is quite big for a blood cell. So it remains that 7.4*10^-3 is the right one.