Ready to Participate?
make sure you use bodmas, square the radius before you multiply it by pie
π = pie and
r = radius, this is half the diameter
You planning on smuggling drugs or something ?
what do you want to 'chat' about?
a standard commercial pack of cigarettes last around 1 year unopened, but once opened will go 'stale' after 1 week. i don't know how they keep when unopened, because, like you said they're not airtight.