Zusammenfassung der Ressource
1. Significant
Figures
- 3 Sig Figs
- 506
- 50.6
- 0.506
- 0.00506
- If Zero's are employed just
to position the decimal point
then they are considered
NOT significant.
- A Figure or Digit, gives an
idea of both (1) Quantity, and
(2) Accuracy
- Decimals
0.001090
- The Numbers to the LEFT of
the 1 are NOT significant,
but all numbers to the RIGHT
of the 1 ARE significant.
- Whole Numbers
030060
- The 0 to the LEFT of the
3 is NOT significant, but
both 0's on the RIGHT of
the 3 would be Significant.
- The Digits from 1 to 9 are always significant.
- 0 is a significant figure IF..
- It is in between two
Significant Figures..
- 207 = 3 sig figs
- 20087 = 5 sig figs
- 0254 = 3 sig figs
- 00033404 = 5 sig figs
- It is at the end of a
number and after the
decimal point..
- 2.04 = 3 sig figs
- 0.0043 = 2 sig figs
- 0.002000 = 4 sig figs
- 0.000000 = 0 sig figs
- Whole Number
EXAMPLES
- 1) 326
- 3 sig figs
- 2) 320
- 2 sig figs
- 3) 408
- 3 sig figs
- 4) 2070
- 3 sig figs
- 5) 30.0
- 3 sig figs
- 6) 1.400
- 4 sig figs
- 7) 30030
- 4 sig figs
- 8) 602.1
- 4 sig figs
- Decimal Point
EXAMPLES
- 1) 0.64
- 2 sig figs
- 2) 0.0054
- 2 sig figs
- 3) 0.0320
- 3 sig figs
- 4) 0.4050
- 4 sig figs
- 5) 0.900
- 3 sig figs
- 6) 0.101000
- 6 sig figs
- Rounding Significant Figures
- 1/
847454
4 s.f.
- = 847500
- 2/
654000
2 s.f.
- = 650000
- 3/
84764.654
4 s.f.
- = 84760
- 4/
95847500.746
3 s.f.
- = 95800000