12 minus b=-2 solve for b
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<u> -76 and 95 is the lowest and highest grade average in the class, respectively.</u>
One of the product rules for exponents was used.
Or, you can consider that the definition of an exponent and the associative and commutative properties of multiplication were used.
Or, you can consider that the definition of an exponent and the associative and commutative properties of multiplication were used.