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OpenStudy (anonymous):
what is the meaning of this : ±
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OpenStudy (anonymous):
that is plus or minus
OpenStudy (anonymous):
ahh so the symbol can be plus or minus ?? what we use this for?
OpenStudy (anonymous):
eg sometimes there may be two asnwers or the same number and u can write ±1 which means the answer can be plus or minus one. Its basically for mathematicians taking a shortcut.
OpenStudy (anonymous):
ahh thanks for explanation :)
OpenStudy (anonymous):
no probs
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OpenStudy (angela210793):
:):):):P
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