(a) Units ​

7.1 use the following units: Becquerel (Bq), centimetre (cm), hour (h), minute (min), second (s). ​

Unit of radioactivity: Becquerel (Bq)

Unit of length: centimetre (cm)

Unit of time: hour (h)

Unit of time: minute (min)

Unit of time: second (s)