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10 votes
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(9•10^9)•(-2•10^-3 )

User Wolffc
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1 Answer

17 votes
17 votes

\begin{gathered} (9.10^9)(-2.10^(-3))=(9)(-2)\cdot10^(9-3) \\ \text{ = -18}\cdot10^6 \end{gathered}

User Viraj Parekh
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