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July 28, 2014

July 28, 2014

Posted by **Anonymous** on Sunday, January 16, 2011 at 6:23pm.

- Math? -
**Writeacher**, Sunday, January 16, 2011 at 6:25pmPlease 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.

- college 209 -
**helper**, Sunday, January 16, 2011 at 6:39pmwhat does the ~ over the a mean?

does '2a7' mean 2a^7 ('a' to the 7th power) ?

- college 209 -
**Anonymous**, Sunday, January 16, 2011 at 6:46pmthat's means square root

- college 209 -
**helper**, Sunday, January 16, 2011 at 7:00pmsquare root of ?

'2a7' means?

does it mean 2(sqrt7)?

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