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Sig Figs and Scientific Notation by Juliana Ward 529 and Daksh Kohar…
Sig Figs and Scientific Notation by Juliana Ward 529 and Daksh Kohar 512
Sig Figs
Rules for Calculating with Sig Figs
When Adding or Subtracting, Use the Fewest Number of Decimal Places
10.1 + 7.43 = 17.5
When Multiplying or Dividing, Use the Fewest Number of Sig Figs
4.93 * 6.027 = 29.7
Rules For Number Of Sig Figs
Zeros Between Other Numbers Are Significant
Leading Zeros Are NOT Significant
Non-Zero Numbers are Significant
Trailing Zeros Are Significant
Scientific Notation
image courtesy of:
https://mathbitsnotebook.com
Metric system
units in the metric system like kilo and hecto are a symbol of certain numbers in scientific notation example: kilo = 10 cubed so instead of saying 1 gram multiplied by 10 cubed you can say one kilogram
Units
no use of traditional units such as inches feet or miles
meters and seconds are units for both length and time
image courtesy of:
https://www.flinnsci.com
Exponents
number of exponents equates to number of added zeros
example:
image courtesy of
http://cyberbridge.mcb.harvard.edu/
Division in exponents is expressed with a negative exponent the placement of zeros is to the right instead of left
example:
image courtesy of:
http://4.bp.blogspot.com/
Dimensional analysis
changes form of number by multiplying by one
example:
https://www.youtube.com/watch?v=DsTg1CeWchc
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Photo Courtesy of Apple
