Posted by Anonymous on Sunday, January 16, 2011 at 6:23pm.
Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
what does the ~ over the a mean?
does '2a7' mean 2a^7 ('a' to the 7th power) ?
that's means square root
square root of ?
'2a7' means?
does it mean 2(sqrt7)?
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