![]() ![]() Suppose x=3 and we want to evaluate the expression -x^2. Is there a difference between (-7)^2 and -7^2, or are they the same? In the expression (-7)^2, the base is -7 and -7 is to be squared:īut, for -7^2, the base is 7 and the rules for order of operations say to square 7 first: (2^5+4)/6-4(-2)(The fraction bar should be treated as a symbol of inclusion.) From left to right, perform additions and subtractions as they appear. From left to right, perform multiplications and divisions as they appear.Ĥ. Work within symbols of inclusion (parentheses, brackets, or braces),beginning with the innermost pair.ģ. The same set of rules for order of operations for whole numbers discussed in ![]()
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