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Algebra Exponents

Algebra Exponents for the SAT ACT GRE GMAT MCAT

Comments

Regan,
Isn't the p value on numerator when said and done, +3, ( i added blue marker exponent m4 when added to  m-1, becomes a positive 3 instead of negative, (-) 2 as you have written).
 
Please advise.
Dean
Also 2^-4 times 2 should be 2^-3 not 2^3.