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-201.7525
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-201.7525
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402.0025\times 99-20^{2}\times 100
Calculate 20.05 to the power of 2 and get 402.0025.
39798.2475-20^{2}\times 100
Multiply 402.0025 and 99 to get 39798.2475.
39798.2475-400\times 100
Calculate 20 to the power of 2 and get 400.
39798.2475-40000
Multiply 400 and 100 to get 40000.
-201.7525
Subtract 40000 from 39798.2475 to get -201.7525.
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