11-18 Exponential Notation Evaluate each expression.
The given expression .
According to the Exponent Notations, we can see that in the expression the exponent applies to the term –a, whereas in the expression , the exponent only applies to the term a.
Here, we can see that the exponent only applies to the number 2 and not to the negative sign
The given expression, .
The given expressions, .
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