What is the concentration in parts per million of DDT in each of the following?
Part 1 of 2
0.022 mg in 1700. g plankton. Be sure your answer has the correct number of significant figures.
Note: Reference the SI prefixes table for additional information.
ppm DDT
10
please write answers in correct scientific notation
what are the answers for both questions
1. 0.022 mg in 1700 g = 0.022 mg / 1700 g = 1.29 x 10^-5 = 1.29 x 10^-5 ppm DDT
2. 10 mg in 4000 kg = 10 mg / 4000000 mg = 2.5 x 10^-6 = 2.5 x 10^-6 ppm DDT