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-989995.6
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-989995.6
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10000.400004-999.998^{2}
Calculate 100.002 to the power of 2 and get 10000.400004.
10000.400004-999996.000004
Calculate 999.998 to the power of 2 and get 999996.000004.
-989995.6
Subtract 999996.000004 from 10000.400004 to get -989995.6.
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