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Mathematics, 23.08.2019 04:30 em6maw

Write your answer in scientific notation.
6.4*10^3+1.4*10^4+7.5*10^3
4.2*10^6-1.2*10^5-2.5*10^5

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Write your answer in scientific notation.
6.4*10^3+1.4*10^4+7.5*10^3
4.2*10^6-1.2*10^5-2...
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