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Message * Articles On Orders Of Magnitude (area), including 1 E+9 M², 1 E+10 M², 1 E+11 M², 1 E+13 M², 1 E+12 M², 1 E+7 M², 1 E+8 M², 1 E+14 M², 1 E+15 M², 1 E+16 M², 1 E+17 M², 1 E+18 M², 1 E+6 M², 1 E+5 M², 1 E0 M², 1 E-1 M² - 1243242132 - 9781243242136