Answer:

Step-by-step explanation:
When two or more quantities have the same exponents, their bases can be multiplied together.
The range is the difference between the lowest and the highest number.
the answer is 30.5
World's population that lives in China in percentage is 20%
Answer:
f(-4)= 24
Step-by-step explanation:
-4(-4)+8 We need to multiply -4 and -4 and a negative times a negative is a positive.
16+8 Now it's easy math and we just add them
This gives us 24.