Answer:
Round to a number that is not a decimal.
When writing equivalent expressions, there are often several possible orders in which to simplify them. However, they will all take you to the same result as long as you do not make a mistake when using the properties. In this example, you will distribute the outer exponent first using the Power of a Product Property.
C is the answer to your problem have a good day
It's 0 because 10+10 = 20 then subtract 20 and you get zero.
