Answer:
11.
12.
13.
14.
15.
16.
17.
18.
Step-by-step explanation:
In all of them you just subtract the bottom exponent from the top exponent.
Answer:
Step-by-step explanation:
1. By definition, the associative property of addition is:
This property says that you can group the numbers in different ways and you will obtain the same result.
2. Therefore, if you have the following expression:
You apply the Asociative property of addition by regrouping the numbers as following:
3. Then, you can conclude that the correct option is B.
Positive numbers are always greater than negative numbers
Answer is 15 miles per hour