Mathematics, 12.05.2021 22:00, kittenface3428

Technetium-99m is used as radioactive tracer for certain medical tests. It has a half-life of 1 day. Consider the function T where T(d) = 100(2)^-d is the percent of technetium-99m remaining d days after the test. Which expression represents the number of days until only 5% remains?

A) log20 2.

B) -log2 20.

C) log2 (1/20).

D) -log2 (1/20).

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:00, Gheaton1889

Find the length of cu, the triangles are similar.

Answers: 2

continue

Mathematics, 21.06.2019 19:00, alaina3792

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Answers: 3

continue

Mathematics, 21.06.2019 22:30, Shiey0409

Which of the following represents the length of a diagonal of this trapezoid?

Answers: 1

continue

Mathematics, 22.06.2019 02:00, kylahnicolewebb

Me : julio wears a blue shirt every 3 days. larry wears a blue shirt every 4 days. on april 11, both julio and larry wore a blue shirt. what is the next date that they will both wear a blue shirt?

Answers: 2

continue

Do you know the correct answer?

Technetium-99m is used as radioactive tracer for certain medical tests. It has a half-life of 1 day....