3gcm howmanygramsdoesa500cm nugget weigh 500cm 3x g 6

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Unformatted text preview: 1.4 m 1.094 yd 2. The thickness of a book is 2.5 cm. What is this measurement in mm? 2.5 cm x = 5 mm Physical Science 1 Chapter 1 3. How many centimeters are in 2.0 ft? (1 in=2.54 cm) ft ® in ® cm æ 12 in ö æ 2.54 cm ö ÷ x ç ÷ = 61 cm 2.0 ft x ç ç ÷ç ç 1 ft ÷ ç 1 i ÷ è øè ø n÷ 4. How many seconds are in one day? day ® hr ® min ® sec 3 3 5. If the density of gold is 19.3 g/cm , how many grams does a 5.00 cm nugget weigh? 5.00 cm 3 x = g 6. What volume of mercury has a mass of 60.0 g if its density is 13.6 g/ml? = m l 60 .0 g x 6 Physical Science 1 Chapter 1 SCIENTIFIC NOTATION · Scientific Notation is a convenient way to express very large or very small quantities. General form: A x 10n 1 £ A <10 n= integer Using Scientific Notations: · Changing between conventional and scientific notation: 75,000,000 changes to 7.5 x 107 (7 to the left) ­3 0.00642 changes to 6.42 x 10 ( 3 to the right) Examples: 1. Write 6419 in scientific notation: 2. Write 0.000654 in scientific notation: Calculations with Scientific Notations: · Addition and subtraction (NOT COVERED) · Multiplication and division : 1. Change numbers to exponential form. 2. Multiply or divide coefficients. 3. Add exponents if multiplying, or subtract exponents if dividing. 4. If needed, reconstruct answer in standard exponential notation. Examples: 1. Multiply 30,000 x 600,000 (3x104 )(6x105 ) = 18x109 = 1.8 x1010 2. Divide 3...
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