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24-01-2022
Mathematics

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Patrick tried to evaluate the expression 7 x [8 - 3 x 2]. His work is below,
7x18 - 3x2
Step 1:
7 x [5 x 2]
Step 2:
7 x 10
Step 3:
70
In which step did Patrick first make a mistake?
Choose 1 answer:

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Respuesta :

24-01-2022

Patrick was supposed to multiply 3 and 2 first and then do 8 - 6. (PEMDAS). So he made a mistake in the first step.

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