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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.
Mixture
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.
chemistry book
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