Answer: 16a^12 b^16
Step-by-step explanation:
Everything in the parenthesis to the 4th power.
2a^4= 16a
3*4=12
b^4*4=b^16
Answer:
Hi , your answer is V = 4/3 πr³.
Hope this helps
The difference of the expression
is 
<h3>How to determine the difference?</h3>
The expression is given as:

Factor the denominators of the expressions:

Apply the difference of two squares to x² - 9

Take LCM

Hence, the difference of the expression
is 
Read more about expressions at:
brainly.com/question/723406
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If i read this correctly then the answer would be
57-12= 45
45/9= 5
The answer is 5
4 what do you think it is 1000000000