Cumulative Practice
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Pay close attention to the order of operations.
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For the given expression, this means evaluating the exponentiation before multiplying and dividing, then finally performing the addition. 3* 4^2+6÷ 2 Let's do it!
| Operation | Before Simplification | After Simplification |
|---|---|---|
| Calculate power | 3* 4^2+6÷ 2 | 3* 16+6÷ 2 |
| Multiply | 3* 16+6÷ 2 | 48+6÷ 2 |
| Divide | 48+ 6÷ 2 | 48+ 3 |
| Add terms | 48+3 | 51 |
We can also evaluate this expression using a calculator. To do so, we type it as shown below.
Whenever using a calculator for a complicated expression such as this, be very careful when placing the parentheses. A calculator will only do what it is told to do, not what you meant for it do.