Sydnie wants to know whether her husband or dog has the dirtier mouth. She collects a saliva sample from her Chihuahua and performs a serial dilution. Sydnie pipettes 100 uL from the 10-7 tube onto a plate, which grows 88 colonies. She does the same for her husband and pipettes 10 uL from the 10-5 tube onto a plate, which grows 56 colonies. Who has the dirtier mouth