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3454=3.14(10^2)h
We move all terms to the left:
3454-(3.14(10^2)h)=0
We get rid of parentheses
-3.1410^2h+3454=0
We move all terms containing h to the left, all other terms to the right
-3.1410^2h=-3454
h=-3454/1
h=-3454
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