Chapter 02

Counting Significant Figures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Counting Significant Figures, Continued ,[object Object],[object Object],[object Object],[object Object],[object Object]

Rounding ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Multiplication and Division with Significant Figures ,[object Object],[object Object],[object Object],[object Object],[object Object]

Addition and Subtraction with Significant Figures ,[object Object],[object Object],[object Object],[object Object],[object Object]

Both Multiplication/Division and Addition/Subtraction with Significant Figures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Standard Units ,[object Object],[object Object],[object Object],K kelvin Temperature s second Time kg kilogram Mass m meter Length Symbol Unit Quantity

Common Prefixes in the SI System Base x 10 -9 0.000 000 001 n nano- Base x 10 -6 0.000 001  or mc micro- Base x 10 -3 0.001 m milli- Base x 10 -2 0.01 c centi- Base x 10 -1 0.1 d deci- Base x 10 3 1,000 k kilo- Base x 10 6 1,000,000 M mega- Power of 10 Decimal Equivalent Symbol Prefix

Common Units and Their Equivalents 2.54 centimeters (cm) exactly = 1 inch (in.) 30.48 centimeters (cm) = 1 foot (ft) 1.094 yards (yd) = 1 meter (m) 39.37 inches (in.) = 1 meter (m) 0.6214 mile (mi) = 1 kilometer (km) Length

Common Units and Their Equivalents, Continued 1000 cubic centimeters (cm 3 ) = 1 liter (L) 3.785 liters (L) = 1 U.S. gallon (gal) 1.057 quarts (qt) = 1 liter (L) 1000 milliliters (mL) = 1 liter (L) Volume 28.35 (g) = 1 ounce (oz) 453.59 grams (g) = 1 pound (lb) 2.205 pounds (lb) = 1 kilogram (km) Mass

Problem Solving and Dimensional Analysis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Problem Solving and Dimensional Analysis, Continued ,[object Object],[object Object],[object Object],[object Object]

Systematic Approach ,[object Object],[object Object],[object Object],[object Object],[object Object]

Systematic Approach, Continued ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example 2.8—Convert 7.8 km to Miles Units and magnitude are correct. Check: ,[object Object],4. 8 4692 mi = 4.8 mi Round: ,[object Object],Solution: ,[object Object],Solution Map: ,[object Object],1 km = 0.6214 mi Conversion Factor: ,[object Object],? miles Find: ,[object Object],7.8 km Given: ,[object Object],2 significant figures 2 significant figures km mi

Chapter 02

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Chapter 02