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Scientific Notation

Express numbers as a multiple of 2 factors numbers 1-10 and ten raised to a power of exponent.

  • Exponents must be the same to add or subtract.
  • To multiply- multiply first factors and add exponents.
Examples:3,158 = 3.158x 10 to the third power.


Mixture is a physical blend of two or more pure substance in any proportion.

Solutions is homogeneous mixtures.

Mixture can be separated by physical means.