Answer:
Here are a few ways that I do that:
18 * 5 is the same as (10 + 8) * 5, which equals 50 + 40, which is 90
It's also the same as (20 - 2) * 5, which equals 100 - 10, again, 90
It's also 9 * 2 * 5, which equals 9 * 10, or 90
It's also 3 * 6 * 5, or 3 * 30, which is 90.
A positive number.
Any negative subtracted from a positive will always be positive.
11 meters
Step-by-step explanation:
500 cm = 5 meters
6m + 5m = 11m
13
You find out what is one percent then multiply from there
9a-27b you must multiply 9 to everything
-6