While having a socially distanced barbecue with her family, Brenda's dog digs up a dead cat. This causes Brenda's family to get into a heated argument about how old the cat is. To stop her family from fighting, Brenda grabs a 5 gram sample from the cat and finds that the Carbon-14 in it undergoes 0.9 decays per second. How long ago did Brenda's cat die?

While having a socially distanced barbecue with her family, Brenda's dog digs up a dead cat. This causes Brenda's family to get into a heated argument about how old the cat is. To stop her family from fighting, Brenda grabs a 5 gram sample from the cat and finds that the Carbon-14 in it undergoes 0.9 decays per second. How long ago did Brenda's cat die?