Answer:
The expression (-1)(-7)(4) simplifies to 28.
Step-by-step explanation:
Use PEMDAS and go from left to right.
Multiplication is the sole step applied here, so go from left to right.
-1 * -7 * 4
Two negatives make a positive.
7 * 4
Multiply 7 by 4 normally.
28 is the final answer.
