Chapter 1: Q. 10MCQ (page 27)

Evaluate the expression.
$18 - 3 \cdot 2$

Short Answer

Expert verified

The value of the expression is12.

Step by step solution

Step 1 . Order of operations

To evaluate any expression involving more than one operation, follow the below order of operations:

First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
Evaluate the exponents.
Perform Multiplication and division from left to right.
Perform addition and subtraction from left to right.

Step 2 . Multiply from left to right

To evaluate the given expression, since there is no grouping symbol so multiply the numbers to get

$\begin{matrix} 18 - 3 \cdot 2 \\ = 18 - 6 \end{matrix}$

Step 3 . Subtract the numbers

Now to simplify further, subtract the numbers to get

$\begin{array}{l} 18 - 6 \\ = 12 \end{array}$

Thus, the value of the expression is 12.

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Evaluate the expression.
$18 - 3 \cdot 2$

Short Answer

Step by step solution

Step 1 . Order of operations

Step 2 . Multiply from left to right

Step 3 . Subtract the numbers

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Evaluate the expression.18−3⋅2

Short Answer

Step by step solution

Step 1 . Order of operations

Step 2 . Multiply from left to right

Step 3 . Subtract the numbers

One App. One Place for Learning.

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Evaluate the expression.
$18 - 3 \cdot 2$