512 is 2^9 power which can also be written as 8^3 power
As written, it is interpreted to mean 14·22·350·x = 107800x.
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Often such an expression written here on Brainly is expected to be interpreted as an exponential expression: 
If f(1) =5-2(1)
F(2)=5-2(2)
A Least Square Regression Line is the best thing to use for this because there is inconsistencies and no direct equation to be able to fill all of these points. They may be outliers and therefore we should use a calculator for a Regression Line to be calculated to find the residual.
