Ok, in the above series, it equals 1.
You get there by adding .9+.09+.009... and so on.
My question is, does it actually equal 1 or is it an approximation? I don't need to know this for any particular reason, just doing my homework and got to thinking. :P
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.99...=1 One of the simplest ways to think of it is that there's no number between .99... and 1, so they can be treated as the same, just like a limit.