Isn’t this 12/4 of a mile of thread every hour? If the factory produces 3/4 of a mile of thread every 1/4 of an hour, then all you need to do is 3/4 x 4. 1/4 is like .25 so to make a whole number, you have to do .25 x4 which makes the whole. I don’t know if my explanation is correct or not but I do believe my answer is. (12/4 is 3)
54*10 to the 3rd power equals 5'400
Answer:
-12
Step-by-step explanation:

First do multiplication.

And then, do the rest of the equation from left to right.

Answer that question to get:
-12
Hope this helped! :)
The equation would be 4(-22)-5