Unit Prefixes: Prefix Symbol T, Power of 10 Equivalents, & Scientific Notation
Unit prefixes such as Tera, Giga, Mega, and more along with their power of 10 equivalents. Learn to express quantities in scientific notation using prefixes for easy understanding. Also, practice converting measurements and values to different prefixed units efficiently.
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Unit prefixes (see also-table 1.2, pg 10 know these by Monday) Wednesday Prefix symbol T Prefix name Tera Power of 10 equivalent 1012 109 106 103 10-1 10-2 10-3 10-6 10-9 10-12 G giga M mega k kilo d deci c centi m milli micro n nano p pico
Board practice with: prefix assignment Scientific notation Prefix scientific notation Decimal scientific notation prefix prefix
Express the width of a human blood cell (0.000001 m=1*10-6 m) in prefix notation A. 1 mm B. 1 Mm C. 1 Gm D. 1 m
Express the time for a single computer operation 0.000000003 s in prefix notation (recall 0.000000003=3*10-9) A. 3 Gs B. 0.3 ns C. 0.003 s D. 3 ns
Express the mass of a Nimitz class aircraft carrier in the most reasonable prefixed unit. (It weighs 100,000,000 kg =100,000,000,000 g = 1*1011 g 20% 20% 20% 20% 20% A. 100 Gg B. 100000 Mg C. 0.01 Tg D. 1 Gg E. Go away! I want a nap 1 Gg 100 Gg 0.01 Tg 100000 Mg Go away! I want a nap
Convert 5.1*10-8m to its best prefixed equivalent A. 0.051 m B. 51,000 pm C. 51 nm D. 510 nm E. No clue. Help !
(Unfortunately) there are many competing choices of prefixes for a given quantity in chemistry (and physics and biology) How do I convert between these %%&! prefix systems ? EXAMPLE Common prefix units used to define wavelength, : m nm pm m m (millimicron) =10-1 nm
2 ways to convert between metric units 1) Algebraic ( Marine way) Doc s story about his HS chem teacher Divide and conquer, maggot !
