Illustration of a 10-fold dilution series demonstrating concentration changes from 30 mM to 3.0 × 10¹ μM, with verification of correct and incorrect values.
A diagram showing a 10-fold dilution series with four test tubes, each containing a decreasing concentration of blue liquid, labeled 30 mM, 3.0 mM, 0.30 mM, and 3.0 × 10¹ μM, with correct and incorrect answers indicated by checkmarks and an X.