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seen Mar 8 at 16:44

Jan
7
comment How would you explain to a 9th grader the negative exponent rule?
@MJD, fair enough :) as opello points out, that's an additional aspect/potential mistake the students should be made aware of
Jan
7
comment How would you explain to a 9th grader the negative exponent rule?
@MJD, but Dorus said 'equals', not 'means'. and both forms you cite are equal ;)
Dec
18
awarded  Supporter