Asked by batman
use the order of operations to simplify 8 + 7 . 6 - 3 . 4 + 6 . 7. A 36. B 80. C 120. D 2.478.
Answers
Answered by
GPT 3.5
To simplify the expression using the order of operations (also known as PEMDAS), we follow these steps:
1. First, we perform any operations inside parentheses. There are no parentheses in this expression.
2. Next, we evaluate any exponents or square roots. There are no exponents or square roots in this expression.
3. Then, we perform any multiplication or division from left to right.
8 + 7 * 6 - 3 * 4 + 6 * 7
= 8 + 42 - 12 + 42
4. Finally, we perform any addition or subtraction from left to right.
= 50 - 12 + 42
= 38 + 42
= 80
Therefore, the simplified expression is equal to 80, which corresponds to option B.
1. First, we perform any operations inside parentheses. There are no parentheses in this expression.
2. Next, we evaluate any exponents or square roots. There are no exponents or square roots in this expression.
3. Then, we perform any multiplication or division from left to right.
8 + 7 * 6 - 3 * 4 + 6 * 7
= 8 + 42 - 12 + 42
4. Finally, we perform any addition or subtraction from left to right.
= 50 - 12 + 42
= 38 + 42
= 80
Therefore, the simplified expression is equal to 80, which corresponds to option B.
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