1. Determine the number of significant figures in each of your measurements in Part 1B for the mass of the gum tablet. 2. Determine how many significant figures each of the following measurements has, and then write in standard scientific notation. 3. A student measured the length of a copper wire to be 5.10cm. What is the length of a copper wire in (a) inches and (b) millimeters. (Show calculations) 4. The actual volume of a liquid is 7.8365mL. What is the proper measurement for the volume of this liquid in a: a) 100mL cylinder: b) 10-mL cylinder