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Chapter 3 (Scientific notation (Locate the decimal if there is none then…

- - - - determine the number of jumps and direction for the decimal to get behind the 1st zero
        
        move the decimal to its new point
        
        round number
        
        add x10 y the y being how many jumps
- - - - left most zeros appearing in front of nonzero digits are not significant
        
        Right handed zeros at the end of a number and to the right of a decimal are always significant, zeros at the rightmost end of measurement that lie to the left of the decimal are not significant