SIGNIFICANT FIGURES OPERATIONS
SIGNIFICANT FIGURES OPERATIONS
1. Operating rules of addition and subtraction of significant figures.
- May only have one number interpretation.
- Figures interpretation is characterized by the bottom line or the top line
- Figures interpretation usually up the rear.
- If the numbers of more than one interpretation then rounding up the remaining 1 point interpretation.
35,78 35,78
7,657 + 7,657 -
43,437 à 43,44 28,123 à 28,12 28,123 à 28,12 353,7
0,784 + 0,784 -
354,484à 354,58 à 354,5 352,916à 352,92 à 352,9
38,4084 88,458
45,45 + 45,45 -
83,8584 à 83,858à 83,86 43,008 à 43,01
- The results of multiplication or division rounded to significant figures (SF) of the smallest numbers multiplied.
Example :
43 ( 2 SF) 3,14 ( 3 SF)
6 x ( 1 SF ) 22x ( 2 SF)
258à 300 ( 1 SF ) 66,08à 66 ( 2 SF)
3,14 ( 3 SF) 444 ( 3 SF)
22 x ( 2 SF) 0,50 : ( 2 SF)
66,08à 66 ( 2 SF) 888à890 ( 2 SF)
0,12 ( 2 SF) 576 ( 3 SF)
8 x ( 1 SF) 12 : ( 2 SF)
0,96à 1,00 ( 3 SF) 48 ( 2 SF)
à1 ( 1 SF)
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