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Starting points, what the symbols mean :
If w2 = s, then w = s1/2 That is, a 1/2 exponent is another way to write square root.
Problems for practice:
I have intentionally set up the following problems so you could solve them without a
calculator if you apply the rules above. Please try solving these in your head or use a piece of paper.
If you use a calculator , you are defeating the purpose of the exercise.