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Scientific Notation

Scientific Notation. RULES. Base number MUST be between 1.00 and 9.99 Numbers < 1 have a negative exponent. Numbers >1 have a positive exponent. Scientific Notation. 65,000 kg  6.5 × 10 4 kg. Converting into Scientific Notation:

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Scientific Notation

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  1. Scientific Notation RULES • Base number MUST be between 1.00 and 9.99 • Numbers < 1 have a negative exponent. • Numbers >1 have a positive exponent.

  2. Scientific Notation 65,000 kg  6.5 × 104 kg • Converting into Scientific Notation: • Move decimal until there’s 1 digit to its left. Places moved = exponent. • Large # (>1)  positive exponentSmall # (<1)  negative exponent • Only include significant digits in the base number.

  3. 2,400,000 g 0.00256 kg 7  10-5 km 6.2  104 mm D. Scientific Notation Practice Problems 2.4  106 g 2.56  10-3 kg 0.00007 km 62,000 mm

  4. EXE EXP EXP ENTER EE EE Scientific Notation • Calculating with Scientific Notation (5.44 × 107 g) ÷ (8.1 × 104 mol) = Type on your calculator: 5.44 7 8.1 4 ÷ = 671.6049383 = 670 g/mol = 6.7 × 102 g/mol

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