# Metric Conversions 8/20/13. Bellwork What are the five metric prefixes? (names not symbols) mega- kilo- centi- milli- micro-

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Metric Conversions 8/20/13

Bellwork What are the five metric prefixes? (names not symbols) mega- kilo- centi- milli- micro-

Today’s Agenda Bellwork Metric conversions examples Finish “Measurement Activity” – Due by the end of class Start homework problems

The Week Ahead Today’s Homework: Bring in your calculator for tomorrow Due Thursday: #71-82 Due Friday: #107-132

Metric Prefixes (review) PrefixPrefix SymbolMultiplier mega-M10 6 (1000000) kilo-k10 3 (1000) BASE UNIT-10 0 (1) centi-c10 -2 (0.01) milli-m10 -3 (0.001) micro-μ10 -6 (0.000001)

Metric Prefixes (review) PrefixPrefix SymbolMultiplier mega-M (unit) =10 6 (base units) kilo-k (unit) =10 3 (base units) BASE UNIT-10 0 (1) centi-c (unit) =10 -2 (base units) milli-m (unit) =10 -3 (base units) micro-μ (unit) =10 -6 (base units)

Prefixes and Base Units (review) (any prefix can go with a base unit) Prefixes M (Mega-) k (kilo-) c (centi-) m (milli-) μ (micro-) Base Units m (meter) g (gram) s (second) L (liter) N (Newton) J (Joule)

Domino Metric Conversions (step #4 - review) For metric dominoes: The “multiplier” goes with the BASE unit, And “1” goes with the PREFIX unit

Metric Prefixes (review) PrefixPrefix SymbolMultiplier mega-M (unit) =10 6 (base units) kilo-k (unit) =10 3 (base units) BASE UNIT-10 0 (1) centi-c (unit) =10 -2 (base units) milli-m (unit) =10 -3 (base units) micro-μ (unit) =10 -6 (base units)

Metric Conversion Examples Ex #1) 63200 mL to L Ex #2) 438000 N to MN Ex #3) 74100000 μJ to kJ Ex #4) 0.0000323 Mg to mg

Ex #1) 63200 mL to L

Ex #2) 438000 N to MN

Ex #3) 74100000 μJ to kJ

Ex #4) 0.0000323 Mg to mg

PrefixSymbol1000 m 10 n DecimalUS English word[n 1]Since[n 2] yottaY 1000 8 10241E+24septillion1991 zettaZ 1000 7 10211E+21sextillion1991 exaE 1000 6 10181E+18quintillion1975 petaP 1000 5 10151E+15quadrillion1975 teraT 1000 4 10121E+12trillion1960 gigaG 1000 3 1091E+09billion1960 megaM 1000 2 1061000000million1960 kilok 1000 1 1031000thousand1795 hectoh 1000 2/3 102100hundred1795 decada 1000 1/3 10110ten1795 1000 0 1001one– decid 1000 −1/3 10−10.1tenth1795 centic 1000 −2/3 10−20.01hundredth1795 millim 1000 −1 10−30.001thousandth1795 microµ 1000 −2 10−60.000001millionth1960 nanon 1000 −3 10−91E-09billionth1960 picop 1000 −4 10−121E-12trillionth1960 femtof 1000 −5 10−151E-15quadrillionth1964 attoa 1000 −6 10−181E-18quintillionth1964 zeptoz 1000 −7 10−211E-21sextillionth1991 yoctoy 1000 −8 10−24 1E-24septillionth1991

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