Instruction: Input numerical values only; no unit. Keep two decimal points for your numerical answer.
Example: -3.14, -314.51, 3.14, 314.51
An unknown isotope of a nucleus undergoes radioactive decay with a half-life of 465 days. The initial
decay rate of the isotope is 8,269 Bq. What will be its decay rate after 530 days (unit in Bq)?