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**DOK 2 12. The table shows the population estimates for 3 countries in scientific notation. Population Estimates Country Number of People P 0 Whiat number, written in scientific notation, represents the combined total population of countries P and Q? Show your work or explain your answer.

**DOK 2 12. The table shows the population estimates for 3 countries in scientific-example-1
User Kama
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Let:


\begin{gathered} P=5.4*10^8 \\ Q=6.0*10^8 \end{gathered}

So, the combined total population of countries P and Q is:


P+Q=5.4*10^8+6.0*10^8=1140000000=1.14*10^9

User Drew
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