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  1. ...that experimental results are not exact but scientists can usually evaluate the range of uncertainty within specified confidence limits (...

  2. ... maintain that scientific investigation must adhere to the scientific method, a process for evaluating empirical knowledge that explains observable events in nature as ...

  3. ...quadratic function f(x)=x^2-4x+1.Suppose f(a)=f(b)=0,where a unequal b. a) Evaluate a^2 -4a +1 and b^2-4b+1. f(a)=a^2-4a+1=0 f(b)=b^2-4b+1=0...