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15-01-2021
Mathematics

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8 + 3 × (4 ÷ 2) − 7

Step 1: 8 + 3 × 2 − 7

Step 2: 11 × 2 − 7

Step 3: 22 − 7

Step 4: 15

In which step does a mistake first appear?

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15-01-2021

Step 2

Follow Bodmas (Brackets, other, divide, multiply, add, subtract)

8+3*(4/2)-7
8+3*2-7
8+6-7
14-7
7

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