Exercise: (Refer to Example 1) Evaluate.
4 + 5 · 6
EXAMPLE 1
Evaluating arithmetic expressions
Evaluate each expression. Use a calculator to support your results.
(a) 5 − 3 · 2 − (4 + 5)
(b)
(c) 43 − 5(2 − 6 · 2)
Solution
(a)
(b) Assume that both the numerator and the denominator of a fraction have parentheses around them.
(c)
These results are supported by Figure 1
Figure 1

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