Physics (significant figures)

Objectives ,[object Object],[object Object],[object Object]

Significant Figures ,[object Object]

Guidelines for Using Significant Figures

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

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

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

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

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

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

Example ,[object Object],[object Object],[object Object], one digit after the decimal pt.  round off to 90.4

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

Examples: ,[object Object],[object Object],[object Object],[object Object]

Scientific Notation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],Base Quantity Name of Unit Symbol Length meter m Mass kilogram kg Time second s Electrical current ampere A Temperature kelvin K Amount of substance mole mol Luminous intensity candela cd

[object Object],Prefix Symbol Meaning Example Tera- T 10 12 1 terameter (Tm) = 1 x 10 12 m Giga- G 10 9 1 gigameter (Gm) = 1 x 10 9 m Mega- M 10 6 1 megameter (Mm) = 1 x 10 6 m Kilo- k 10 3 1 kilometer (km) = 1 x 10 3 m Deci- d 10 -1 1 decimeter (dm) = 0.1 m Centi- c 10 -2 1 centimeter (cm) = 0.01 m Milli- m 10 -3 1 millimeter (mm) = 0.001 m Micro- μ 10 -6 1 micrometer (μm) = 1 x 10 -6 m Nano- n 10 -9 1 nanometer (nm) = 1 x 10 -9 m Pico- p 10 -12 1 picometer (pm) = 1 x 10 -12 m

[object Object],LENGTH 1 m = 100 cm = 1000 mm = 10 6 μm = 10 9 nm 1 km = 1000 m = 0.6214 mi 1 in = 2.540 cm 1 ft = 30.48 cm 1 yd = 91.44 cm

TIME 1 min = 60 s 1 h = 3600 s 1 d = 86,400 s 1 y = 365.24 d = 3.156 x 10 7 s

MASS 1 kg = 10 3 g = 2.205 lb

VOLUME 1 liter= 1000 mL = 1000 cm 3 = 1 dm 3 = 10 -3 m 3 1 ft 3 = 0.02832 m 3 = 28.32 liters = 7.477 gallons 1 gallon = 3.788 liters

Simple Conversion ,[object Object]

Multiple Conversion ,[object Object]

Answer ,[object Object],[object Object]

Determine the number of SFs of the following measurements ,[object Object],[object Object],[object Object],[object Object],[object Object]

Perform the operations and express the answers to the correct number of SFs ,[object Object],[object Object],[object Object],[object Object],[object Object]

Express the ff. numbers in scientific notation ,[object Object],[object Object],[object Object],[object Object],[object Object]

Physics (significant figures)

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