The simplified expression of
is 
<h3>How to simplify the expression?</h3>
The expression is given as:

Expressions raise to power 0 is 1.
So, we have:

Apply the law of indices to expression with common base

Evaluate the sum and difference

Remove the bracket

Hence, the simplified expression of
is 
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I am not sure but I think you have to multiply 538 and 9 and get 4842 then divide 4842 by 15 and get 322.8. ( I am not sure if I'm right ).
Hey there! I'm happy to help!
We start out with 3.
3
Our mom gives us 10.
3+10=13
Our dad gives us 30.
13+30=43
Our aunt and uncle give us 100.
43+100=143
And we have another 7.
143+7=150
Therefore, we have $150 now.
Have a wonderful day! :D
Answer:
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Step-by-step explanation:
Answer:
c
Step-by-step explanation: