Significant digits are used so that our calculations are not more precise than our measurements. All digits other than zero are significant.
the zeros that are the tricky ones. We went over the rules and then did
some practice situations. We will continue to practice this and all
calculations made for the rest of the year must be rounded to the
correct number of significant digits.
Notation is used for very large and very small numbers that usually
have a lot of zeros to make the numbers for manageable. Most students
are familiar with scientific notation and just need a bit of practice.
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