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Chemistry Forums for Students => High School Chemistry Forum => Topic started by: donnasalazar on August 26, 2004, 11:12:51 PM

Title: metric units
Post by: donnasalazar on August 26, 2004, 11:12:51 PM

i need help on how to convert metric units? for example: 25 km - 25 Hm + 300 dm = How many km?

Title: Re:metric units
Post by: AWK on August 27, 2004, 02:44:52 AM

25 Hm   ? (25 hm)
1 km = 1000 m = 10⁴ dm
1hm = 100 m = 0.1 km = 10³ cm
1dm = 0.1 m = 10^-4 km

25 km - 25 hm + 300 dm = 25 km -2.5 km + 0.03 km