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[DOC File]Significant Figures, Estimating and Error Bounds
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10006 = 10010 (to 4 sig. figs.) 7041.145 = 70 (to 2 sig. figs.) Top Tip – If you are having difficulty rounding the small decimal numbers, write your answer in Standard Form, round. and then write out ‘in full’. E.g. Round 0.002547 to 2 significant figures. 0.002547 = 2.547 x 10-3 = 2.5 x 10-3 (to 2 sig. figs.) = 0.0025 (to 2 sig. figs.) Past Paper Questions. a) b) 23.00559932 = 23.0 (to 3 sig. figs.) a) b) 2.356213282 = 2.36 (to 3 sig. figs.) …
round each number to two significant figures

[DOC File]Rules for Using Significant Figures in Mathematical Operations
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If the answer has too many decimal places, round to the number of sig figs it should have. For example, 12 / 3.00 = 4 ( 4.0 12 has two significant figures and 3.00 has three, so the answer should only have two.
round to 2 significant figures

[DOC File]SIGNIFICANT FIGURES
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When you obtain your final answer, round so that you have an answer with equal digits as the lowest number of digits present in any given number. Example: 20.1 x 10.111 = 203.2311 = 203 Note that you round the final answer off so that you have 3 digits in it. 20.1 had three digits and you have in the final answer, digits equal to the least ...
0.036549 to 3 sig figs

[DOC File]Lab 1-2 Sig Fig - WISCO Science
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315.2 has 4 sig figs - When a 0 is significant or not, refer to the following table: Significant. Not Significant - middle. zeros ALWAYS count. 2. 0. 9 has 3 sig figs. 1. 000. 5 has 5 sig figs - ending. zeros WITH a decimal point are significant. 4. 00. has 3 sig figs. 2. 0.00. has 4 sig figs.4. 00. has 3 sig figs - beginning zeros. are NEVER ...
how to round significant digits

[DOC File]Rules for Recognizing Significant Figures
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do not change. the last significant figure. > 5, round up. the last significant figure. = 5, and is . followed by. a . nonzero digit, round up. the last significant figure. = 5, and is . not. followed. by a . non-zero digit, look at the last significant figure. If it is an odd. digit, round it . up. If it is an even. digit, do . not. round up ...
how to round to three significant figures

[DOC File]Significant Figures
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For multiplication, division, and everything else (except for addition & subtraction), round your answer off to the same number of sig figs as the number that has the fewest. For example, (Notice that we used a decimal point at the end to show that both of the digits digits in the answer “50
rules for rounding significant figures

Do you round up for sig figs