gymzach35481 gymzach35481

12-01-2024
Physics

contestada

A 120 mg sample of a radioactive substance has a half-life of 4.5 hours. What mass of the sample will remain after 18 hours?
a. 1.5 mg
b. 6.7 mg
c. 7.5 mg
d. 15 mg

Respuesta :

Otras preguntas

Evidence suggests that ________ contribute(s) to the development of schizophrenia.

The soviet union invaded czechoslovakia and reversed its economic reforms. workers in poland won higher wages after an uprising. yugoslavia parted ways with the

Darren runs 1/4 mile in 2.5 min how long it will take him to a full mile

The ratio of rainy days to non rainy days was 2 to 3. How many of the 30 days in April were rainy?

Which scientific innovations were promoted by prince Henry of Portugal

Why was george h. w. bush criticized by many blacks, and by jesse jackson, during his election campaign in 1988?

how can you best influence a customer positively

Campylobacter infection can lead to a disease called

Let ? = {a, b, c} be a sample space. let m(a) = 1/2, m(b) = 1/3, and m(c) = 1/6. find the probabilities for all eight subsets of ?.

Which sentence is an example of an imperative sentence? A. "Tim, hand me the orange juice." B. "What does everyone have planned for today?" C. He