The chart for prefexes in science ( basic science as far as I know) are as follows:
Milli(1/1000)-Centi(1/100)-Base Unit(1)-Deci(10)-Killi(1000)
I think there are more beyond below and between but thats all I can remember and should be sufficient for your purposes.
It is "hecto" abbreviated by "h".
The prefix value is centi.
Cent
kilo-
The prefix kilo- is larger. Kilo- means thousand. The prefix milli- means thousandth.
10-6 0.000001 one millionth
A function that is used before an variable to increase or decrease its value
The prefix, kilo, means one thousand:1 kilogram means 1 000 grams,1 kilometer means 1000 meters.
I think it's per- like in percent (cent meaning 100)
Centi - as in centimetre.
Hecto-something is a value that is 100x the value of the original thing. So a hectometer is 100x the length of a meter and a hectogram has a weight that is 100x the weight of a gram. http://www.math.com/tables/general/numnotation.htm
X=2
The prefix value is centi.
PH4
100x -1x = 99
100+10x
The number value for the prefix, hecto, is one hundred. This prefix came from the Ancient Greek language. It is not widely used in the United States.
100x
1,000,000,000
The GCF is 20x.
The oil immersion lens @100x