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Answer:
To find the value of \( 140 - 40 \times 3 \), you need to follow the order of operations, which is often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)).
First, perform the multiplication:
\[ 40 \times 3 = 120 \]
Then, perform the subtraction:
\[ 140 - 120 = 20 \]
So, the value of \( 140 - 40 \times 3 \) is \( 20 \).