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Scientific Notation and Significant Figures BY Jacob Zhang(631) and Mann…

- - - - Stars in a galaxy
      - Molecules in a glass of water
    - - Atom's width
  - - - Step 1: Put a decimal point after the first digit.
      - Step 4:
        Get rid of any zeros that isn't between 2 non-zero digits
      - Step 2: Count the number of digits from the decimal point to the ones digit.
      - Step 3: Add x10 to the end, and put an exponent on the ten based on how many digits you just counted.
    - - Step 1: Put a decimal point after the first non-zero digit.
      - Step 2:Count the number of digits between the the 2 decimal points.
      - Step 3: Add x10 to the end, and put an exponent on the ten based on how many digits you just counted. Put a negative sign in front of the expontent
      - Get rid of zeros that aren't between 2 non-zero digits and get rid of the first decimal point
- - - - Trailing zeros show to what point I measured to.
  - - - Number of Sig Figs of the one with less # of Sig Figs=# of Sig Figs of the answer