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OpenStudy (anonymous):
helpppppp
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OpenStudy (anonymous):
OpenStudy (igreen):
\(3.7 \times 10^{20} + 4.45 \times 10^{20} = 8.15 \times 10^{20}\) You just have to add 3.7 and 4.45 and keep the \(10^{20}\).
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