2. The density of iron is 7.87g/mL In the lab, a student found three values for the density of iron: 8.45g/mL,8.39g/mL and 8.42g/mL Describe the accuracy and precision of this experiment.

Accuracy refers to how close a measured value is to the true value. Precision refers to how close the measured values are to each other. In this experiment, the true density of iron is . The student's measured values are , and .1. Accuracy: The measured values are not close to the true value of . Therefore, the experiment is not accurate.2. Precision: The measured values , and are close to each other. Therefore, the experiment is precise.