Write 86,900.4 in exponential notation

What is the first quartile of the data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

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