arrestees test positive for drug use. at the time of their apprehension.1. Self-reports from prison inmates. indicate that their drug use prior. to incarceration is typically chronic. and linked to other criminal behav-. ior.
A megagram is the same thing as a metric tonne. There  are a million grams in a megagram. There are a million micrograms  in a gram. Therefore, there are 1,000,000 x 1,000,0 â¦ 00 micrograms in  a negagram, which means 1,000,000,000,000 or a trillion.
How do you dilute 2 micrograms per microliter to 100 nanograms per microliter? So there are 1000 nanograms in a microgram. Therefore 2ug is 2000ng. 2000ng divided by 100 is 20.