It is a measure of the opacity of smoke.
Ringlemann grid cards run from 0 - all white smoke to 5- all black smoke. See Bureau of Mines Circular ic8333, a link to it is available on the NIOSH site at:
www.cdc.gov/Niosh/mining/pubs/pubreference/outputid330.htm
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A positive number. Positive Number x Positive Number = Positive Number Positive Number x Negative Number = Negative Number Negative Number x Negative Number = Positive Number
A real number which is not a rational number is an irrational number.
There is no number that is equivalent since a number is just that - a number. It is NOT a measure of time.There is no number that is equivalent since a number is just that - a number. It is NOT a measure of time.There is no number that is equivalent since a number is just that - a number. It is NOT a measure of time.There is no number that is equivalent since a number is just that - a number. It is NOT a measure of time.
The number is 0.6
A multiple of a number is the product of that number and any whole number.