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How to do Sig Figs!!2 Easy Rules: If there is a decimal in the number, find the first non-zero number and from there on ALL numbers are significant!If there is NO DECIMAL in the number, find the first non-zero number and count to the last non-zero number, and all of those numbers are significant! Examples:5.000 4 Sig Figs50,0104 Sig Figs0.0020304 Sig Figs0.102 Sig Figs1,000,0001 Sig Fig1,000,000.7 Sig Figs1.200 x 1074 Sig Figs2.030 x 10-64 Sig FigsWhen adding, subtracting, multiplying, or dividing, your answer should have the same number of sig figs as the number from the problem which has the least sig figs!!!Example: Sometimes you will have to write your answer in scientific notation or round the number off to make it have the correct number of sig figs, even if this means estimating your answer. ................
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