Experiment 3: Determination of the Average Mass of a Penny  Number of pennies: 5 Mass of pennies (weighed together): 13.2 Mass of penny 1: 2.5 Mass of penny 2: 2.5 Mass of penny 3: 2.6 Mass of penny 4: 2.5 Mass of penny 5: 3.1 please help me with this part and show me all step  ??????? ???? ?? ? ?????=??? ?? ?ℎ? ?????????? ?????? ?? ?ℎ? ???? ???????/5  1. Total Mass of five pennies (weighed separately): 2. Average mass of a penny (using mass of five pennies weighed together)

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