Friday, December 9, 2016

Intermediate Algebra, Chapter 5, 5.1, Section 5.1, Problem 55

Evaluate the expression 2233.
Remove the negative exponent by rewriting 22 as 122. A negative exponent follows the rule of an=1an
122133
Squaring a number is the same as multiplying the number by itself 22. In this case, 2 squared is 4.
14133
Remove the negative exponent by rewriting 33 as 133. A negative exponent follows the rule of an=1an
141133
Remove the parentheses from the denominator.
141127
Simplify the multi-level fraction by multiplying by the reciprocal of the denominator.
1427
Multiply 14 by 27 to get 274 .
274

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