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

User Thesmart
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2.9*10^(11)-3.7*10^(13)=2.9*10^(11)-3.7*10^2*10^(11)\\\\=10^(11)*(2.9-3.7*10^2)=10^(11)*(2.9-3.7*100)\\\\=10^(11)*(2.9-370)=-367.1*10^(11)=-3.671*10^(13)
User Multimedia Mike
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