Americaâs 50 Coldest Cities. The lowest temperature ever recorded in the United States was -80 degrees Fahrenheit in Prospect Creek, Alaska. While temperatures near this extreme only rarely occur, millions of Americans live in cities with brutally cold winters and heavy snowfall.
Thus, converting from one metric unit to another is always accomplished by multiplying or dividing your initial measurement by the appropriate power of ten. Look at the arrow you've drawn from the units you have-the units your measurement has been taken in-to the units you want to convert to.
metric system definition. A system of measurement in which the basic units are the meter, the second, and the kilogram. In this system, the ratios between units of measurement are multiples of ten. For example, a kilogram is a thousand grams, and a centimeter is one-hundredth of a meter.