statute or 640 acres span 22.86 centimeters 9 inches stere 1 meter^3 1 gram, 1 liter deci d 10-^1 10-^2 10-^3 centi c 10-^2 10-^4 10-^6 milli m 10-^3 10-^6 10-^9 decimilli dm 10-^4 10-^8 10-^12 centimilli cm 10-^5