Numbers of Any Magnitude, SMB-019 MC The diameter of the earth is approximately 13 000 kilometres. Which of these shows 13 000 in scientific notation? `1.3 xx 10^3` `1.3 xx 10^4` `1.3 xx 10^5` `1.3 xx 10^6` Show Answers Only `B` Show Worked Solution `13\ 000` `= 1.3 xx 10\ 000` `= 1.3 xx 10^4` `=>B`