Percent is parts per hundred. One hundred is 10,000 times less than one million. 13. The quantity 0.0000064 g expressed in scientific notation is: Negative powers of ten move the decimal to the left. 14. The quantity 8.7 × 105 g expressed in standard decimal notation is: Positive powers of ten move the decimal to the right. 15. Which pollutant is present in air as particulate matter? Particulate matter is not gaseous.
Percent is parts per hundred. One hundred is 10,000 times less than one million. 13. The quantity 0.0000064 g expressed in scientific notation is: Negative powers of ten move the decimal to the left. 14. The quantity 8.7 × 105 g expressed in standard decimal notation is: Positive powers of ten move the decimal to the right. 15. Which pollutant is present in air as particulate matter? Particulate matter is not gaseous.
Chemistry%20in%20Context%20Applying%20to%20Society%20The%20Air%20We%20Breathe.docx