Final answer:
The output of the number machine for the operation -5 multiplied by 4 is -20.
Step-by-step explanation:
You've asked about a number machine where the input is n and the operation is -5 × 4. The output of this number machine can be found by multiplying -5 by 4. Let's calculate the output.
Step 1: Start with the number -5.
Step 2: Multiply -5 by 4.
Output: The result of -5 multiplied by 4 is -20.
Hence, the output of the number machine for input n when it undergoes the operation -5 × 4 is -20.