Question
Describe the error in each problem below. 1. 36div 3+(3^2cdot 2) 36div 3+9cdot 2 36div 12cdot 2 __
Solution
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Ornela
Mestre · Tutor por 5 anos
Resposta
The error in the third step is that the division operation
should have been performed first, giving us
, and then the multiplication operation
should have been performed, giving us
.
Explicação
## Step 1The problem involves the order of operations, also known as BIDMAS or PEMDAS. This acronym stands for Brackets, Indices, Division and Multiplication (from left to right), Addition and Subtraction (from left to right). ## Step 2In the first step, the division operation
is performed correctly. This gives us
.## Step 3In the second step, the multiplication operation
is performed correctly. This gives us
.In the third step, the division operation
is performed incorrectly. According to the order of operations, division and multiplication should be performed from left to right. Therefore, the division operation should have been performed first, giving us
, and then the multiplication operation
should have been performed, giving us
.