In the equation y=3x-.05x^3, the letter "E" is most likely a typo and should be replaced with the letter "x".
As for the trendline equation, the letter "E" is often used in scientific notation to represent "x10^". For example, 3E+2 would mean 3 x 10^2 or 300. However, in this case, it is unlikely that "E" is being used in this way since the other terms in the equation do not use scientific notation.
Therefore, it is most likely that the letter "E" in the trendline equation is also a typo and should be replaced with the letter "x". The corrected equation would be
Formula:
3*x-.05*x^3-.0023*x^2+.0857*x-.0579
.
In summary, it is likely that the letter "E" in both equations is a typo and should be replaced with the letter "x".
Answer: meaning of E in y=3E-.05x^3
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