PLEASE HELP THIS IS THE LAST DAY AND IM FAILING!! PICTURE PROVIDED!! In this lab, what did the pennies represent? (im sorry if the words are small on the paper it makes me crop it so i had to put my camera farther away)

Answer:
The pennies represent the particles of the isotope either decaying, or staying the same after each shake. This is a random process.
In this lab, the pennies represent the nuclei of radioactive substances
Radioactive substances are the unstable substances as they ahve unstable nuclei and will attain stability after the decay of nuclei in the form of emission of alpha, beta or gamma rays.
In the given lab report, the word pennies is used to represent the nuclei of radioactive substances which undergo radioactive decay or remain same.
Hence pennies is used to represent radioactive substances.
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