Radioactive dating activity pennies

27-Sep-2016 01:11

A coin has a 50 percent chance of showing heads, so in any round we would expect approximately half the coins to show heads.

This corresponds to the decay of half the atoms in a radioactive substance and therefore the coins are indeed a good model.

Did you know that radioactive material decays randomly?

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Questions: Using your graph and determine the following: a.

In fact, any change in the number of objects which depends proportionally on the number of objects present will be described by an exponential.