Population Estimates Country Number of People P 5.4 x 10 0 6.0 x 10° R 3.0 x 10 Part A What number, written in scientific notation, represents the combined total population of countries P and Q? Show your work or explain your answer.

Population Estimates Country Number of People P 54 x 10 0 60 x 10 R 30 x 10 Part A What number written in scientific notation represents the combined total popu class=