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Mathematics 12 Online
OpenStudy (anonymous):

Use dimensional analysis to determine the number of kilograms in 70 pounds. (Hint: 1 kg = 2.2 lbs)

OpenStudy (anonymous):

70lb * 1kg ---- 2.2lb the lb cancel from top and bottom you are left with (70*1)kg -------- 2.2

OpenStudy (anonymous):

simplify (do the division)

OpenStudy (anonymous):

31.8kg

OpenStudy (anonymous):

Hey bro, you gotta cancel out the units 70lb x (1k/2.2 lbs) = 31.8 kg

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