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(-5)*(-4) / [(-7) + 2] = (-5)*(-4)/(-5) = (-4) or -4.
Sum = -5 - 3 - 2 + 14 = 4 Count = 4 So mean = Sum/Count = 4/4 = 1
The question is ambiguous.Does it want the sum of the squares, or the square of the sum ? They're different.Here are both:1). Sum of the squares: . (1)2 + (2)2 + (3)2 + (4)2 + (5)2 = 1 + 4 + 9 + 16 + 25 = 552). Square of the sum: . (1 + 2 + 3 + 4 + 5 )2 = (15)2 = 225
5,6,2,3,9 has a greater sum than 10,4,5,1 and 2 which has a sum of 22.
The sum of the first 5 numbers is 15. 1+2+3+4+5=15