For Exercises 69-96, simplify by using the order of operations. (See Examples 8-9.)
69.
70.
71.
72.
73.
74.
75.
76.
77.
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
88.
89.
90.
91.
92.
93.
94.
95.
96.
Example 8
Applying the Order of Operations
Simplify the expression.
Example 9
Applying the Order of Operations Simplify the expression.
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