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1.55 x 106 nm = km This is just a metric conversion ---- always 2 steps. Start with what you’re given: One step to the BASE unit, meters: One step to the desired unit, kilometers: 1.55 x 106 nm x 1x10-9m x 1 nm 1 km 1x103 m 1.55x10-6 km .00000093 Tg = g This is just a metric conversion ---- always 2 steps. Start with what you’re given: One step to the BASE unit, grams: 12 1x10 g .00000093Tg x 1 Tg One step to the desired unit, micrograms: x 1 g 1x10-6g 9.3x1011 g 8.5 x 10-20 Ml = ml This is just a metric conversion ---- always 2 steps. Start with what you’re given: One step to the BASE unit, liters: 8.5 x10-20 Ml x 1x106 l 1 Ml One step to the desired unit, milliliters: x Or you could use this for last fraction 1 ml 1x10-3 l 1000 ml 1 l 8.5x10-11 ml 8 gallons = liters Gallons is an English unit and liters is a metric unit - determine what Metric-English conversion will work (from box at top of homework) Start with what you’re given: 8 gal x 4 qt 1 gal x .94 l 1 qt 30.08 liters 5.75 x 1015 s = Start with what you’re given: years Keep converting to bigger units of time until you get to years: 5.75 x1015s x 1 min x 1 hr x 1days x 1 yr 60 s 60min 24 hr 365days 1.82x108 yr 500 ml/min = qt/hr This has 2 dimensions. Convert ml to qt and min to hr Start with what you’re given: ml is on top Min on bottom 1 qt 500 ml 1x10-3 l x x min .94 l 1 ml 60 min x 1 hr 31.9 qt/hr 1.55 x 106 nm = km This is just a metric conversion ---- always 2 steps. Start with what you’re given: 1.55 x 106 One step to the BASE unit, meters: One step to the desired unit, kilometers: -9 1x10 m nm x x 1 nm 1 km 1x103 m 1.55x10-6 km