What is the value of the expression 7⋅(−5)⋅4? -140?

Yes.

thank u

You're welcome.

Yes, that is correct. The value of the expression 7⋅(−5)⋅4 is indeed -140.

To get the answer, you need to follow the order of operations, also known as PEMDAS. PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).

In the given expression, there are no parentheses or exponents, so we move on to multiplication.

7⋅(−5)⋅4 can be solved step by step:
First, multiply 7 and -5, which gives you -35.
Then, multiply the result by 4, which gives you -140.

Therefore, the final answer to the expression 7⋅(−5)⋅4 is -140.