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Answer:
4
Step-by-step explanation:
Turn the roots into fractional powers:
(((729)^1/3)^1/2)^1/4) = 729^(1/24)
I got 1/24 by multiplying all the fractional powers together (3x2x4)
Putting this to the power of 20 gives (729)^(20/24) which can be simplified to 729^(5/6)
At this stage you have to use a calculator to find the result. You can then divide by 162 and add 5/2 to get 4
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