A sample of a dish from an archaeological dig gave 18 500 disintegrations per gram of carbon per day.00-g sample of carbon from a modern source gave…

A sample of a dish from an archaeological dig gave 18 500 disintegrations per gram of carbon per day. A 1.00-g sample of carbon from a modern source gave 22 080 disintegrations per day. If the decay constant of carbon-14 is 1.2 × 10−4 y−1, what is the age of the dish?