Maintaining Mathematical Proficiency
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Pay close attention to the order of operations.
1/6(6+18)-2^2 For this problem, we must remember to evaluate the expression inside the parentheses first, then evaluate the exponent, multiply, and finally find the difference between the results.
| Operation | Before Simplification | After Simplification |
|---|---|---|
| Add terms | 1/6( 6+18)-2^2 | 1/6( 24)-2^2 |
| Calculate power | 1/6(24)-2 ^2 | 1/6(24)- 4 |
| Multiply | 1/6(24)-4 | 4-4 |
| Subtract term | 4-4 | 0 |
We can also evaluate this expression using a calculator. To do so, type it as shown below.
