HURRRY ASAP!! An important consideration of the medical use of radioisotopes is how long they're active. Technetium-99 is a short-lived isotope of technetium with a half-life of 6 hours. If a patient is treated with technetium-99 for a PET scan, when will the patient have less than 1 percent of the original technetium-99 present?

A)

3 days

B)

40 hours

C)

6 hours

D)

0.00116 hours