Answer:
When using the order of operations to solve the problem, then the final answer will be

Explanation:
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Following the order of operations, the first thing we have to do is add 1/3 to 2/9 and then subtract that sum by 1/2.
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Next, we solve the exponent on 4/9 by multiplying 4/9 with itself.

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Lastly, we divide 16/81 by 1/18.
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=

Since this number can not be simplified into a smaller fraction, then the answer will stay as it is.
So, your final answer will be
