There is only one way to tell a male from a female. In flowering, female plants have pistils male plants have balls.
I'm not trying to be harsh, but the question leads me to believe that more research on your part is in order.
7 or 5 of what? I assume that you are talking about "fingers" on each leaf. Come on, if it was really that simple to tell the difference - why on Earth would anybody bother with more elaborate methods? Take AncientHippie's advice, please! Most varieties of cannabis can show 9 or 11 fingers on a mature plant, sometimes even more.
its not as bad as u think its just my 1 time growing i got the growing down just got to excited i guess i know wait for the hairs but i heard that before and just thought i ask...p
fuckin idiot....thanks but i know how to spell "stupid"...i used the word "stooped" on purpose young daniel