It takes 13,034,431 experience to master strength in runescape.
Strength Ammys are so cheap they cant really not be worth it. There are better things in Runescape for Strength bonus's but if you don't have much money they cant hurt.
The total exp is 13,034,431 experience for a 99 stat on RuneScape.
It certainly does. Strength if you are a mage affects the strength of your hit. Not as much as a high magic lvl, but still alot.
250xp per log
A tree gives 25 woodcutting experience if you cut it down.
I would not try it but it is pretty much impossible. Unless your a master hacker.
1,207 Experience.
12.5 Smithing experience
it depends on what lvl you are if you hit harder or not
You get 90 Fishing experience for fishing lobsters.
You get 50 mining experience for every coal you mine.
There is 51,699 experience between the levels.