Bethany88 Bethany88

25-08-2014
Mathematics

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I need help with this problem. 2.9 × 10 ^11 - 3.7 × 10^13

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Anonymous Anonymous

26-08-2014

\(2.9\times10^{11}-3.7\times10^{13}=2.9\times10^{11}-3.7\times10^2\times10^{11}\\\\=10^{11}\times(2.9-3.7\times10^2)=10^{11}\times(2.9-3.7\times100)\\\\=10^{11}\times(2.9-370)=-367.1\times10^{11}=-3.671\times10^{13}\)

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