# Metric Conversions and Dimensional Analysis Notes

Metric Conversions and Dimensional Analysis Notes Notes 8/28 In your Essential Facts Binder look at note page titled, Metrics with a box that reads 1.2 in the top right corner. The following slides will offer the notes that you will need to fill our your notes page. If you have any questions please dont hesitate to ask Mrs. Spencer or a classmate when you return to class. Prefixes Prefix Length: Abbreviation Weight: Abbreviation Volume: Abbreviation How many meters/grams/liters are in this unit? Mega- Kilo- Hecta- Deka- Base Unit Deci- Centi- Milli- Mm km hm

Dm m dm cm mm Mg kg hg Dg g dg cg mg ML kL 1,000,000 1000 hL DL L dL cL

mL 100 10 1 0.1 0.01 0.001 Microm g L 0.000001 BIGGER Divide SMALLER Multiply 6 Steps of Dimensional Analysis How many feet in 4.5 meters? (1 foot = 0.305 meters) 1. What do we know? 1. We have 4.5 meters and that 1 foot is equal to 0.305 meters. 2. Make your t chart. 2. T-chart:

3. What is your cancel unit(s)? 3. Cancel units? In # 1 is there a unit that is mentioned twice? Yes meters. Just like fractions units can cross cancel. 4.5 meters 4. What is your answer unit? 5. Make each unit equal 6. Do the MATH!!! 0.305 meters 4. Answer units? What does our question ask for? Feet. Our answer must be in feet. 5. Make units equal 6. Do math. Multiple by all numbers on top. And Divide by all numbers on the bottom. 4.5 meters 4.5 meters 1 foot 0.305 meters 1 foot 0.305 meters = 14.75 ft.

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