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Calculate the pH of a 0.600M solution of zinc nitrate, Zn(NO₃)₂.? Find the area of the surface generated by rotating the curve y = e^2x, 0 ≤ x ≤ 1, about the x-axis.? If there are 10 numbers and 9 of them are favorable and I choose 3 what is the probability that at least 2 will be favorable? What can engineering student do to earn pocket money while studying? A body is acted upon by two forces. F1 acts due west with 100 lb magnitude. F2 acts due south with 150 lb magnitude. The resultant is?