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Q27: Use the definitions of exponent and
Q39: Simplify the expression. <span class="ql-formula"
Q40: Find the indicated sum or difference.
Q100: Simplify the numerical expression. Remember that
Q131: <span class="ql-formula" data-value="( - 18 ) (
Q173: Evaluate the expression for the given
Q216: Estimate the distance you might be able
Q231: Simplify the following expression by combining
Q246: Change the mixed number to an
Q262: Simplify the algebraic expression. <span