1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ehidna [41]
3 years ago
9

You have 400 mg of a radioisotope with a half-life of 5 minutes. How much will be left after 30 minutes?

Advanced Placement (AP)
1 answer:
shepuryov [24]3 years ago
3 0
If the half-life is 5 minutes, then 30 minutes is equivalent to 6 half-lives. So, after six successive half-lives, the 400 mg of the radioisotope would have a mass of 400(0.5)⁶ = 6.25 mg.

Thus, A would be the correct answer choice here.
You might be interested in
Identify a state in Asia that has a mountain range as a boundary.
eimsori [14]

Answer:

Nepal and Bhutan

Explanation:

5 0
3 years ago
Which temperature most likely corresponds to the asthenosphere?
blsea [12.9K]
The answer is c because the numerical expression correction is 28
6 0
3 years ago
"As I watched, the sun broke weakly through, brightened the rich red of the fawns, and kindled their white spots." -- E. B. Whit
Vaselesa [24]

As I watched, the sun broke weakly through, brightened the rich red of the fawns, and kindled their white spots.” E.B. White, “Twins” Poems and Sketches Analysis: What kind of flames does kindled imply? How does this verb suit the purpose of the sentence? Kindled is the start of a gentle flame so in the sentence it applies that on the rich red of the fawn's coat, the white spots kindle a soft fire. The verb suits the purpose of the sentence because it’s purpose is to catch the fawns in the early morning. The gleam of the the fawns patches and correlates the fire to the budding deer. Kindled implies a friendly flame. The sentence expresses the fauns white glow. Would the sentence be strengthened or weakened by changing the

3 0
3 years ago
Assume that a country's economy is in a short-run
Burka [1]

Answer:

(you have to copy and paste into the browser and I had to space out so brainly would let me post I hope you do well on the assignment)

Explanation:

h t t p s : / / w w w . y o u t u b e . c o m / w a t c h ? v = d Q w 4  w 9 W g X c Q

3 0
3 years ago
Read 2 more answers
All of the following are examples of a four-year college except
juin [17]
What are the the colleges they listed?
5 0
3 years ago
Other questions:
  • Mr.Jones wants to buy 6 tickets to play .Each ticket cost $10. Mr jones has $45 in his pocket how much more money does he need f
    14·2 answers
  • How does your credit score affect the price you pay for insurance? Discuss at least two methods for improving your credit score
    15·1 answer
  • A ____ transfer moves a minority group to a new location
    12·2 answers
  • Which of the following is NOT an example of cultural diffusion as the result of the Jewish Diaspora?
    12·1 answer
  • Which of the following describes an environmental problem that can result from the combustion of fossil fuels to generate electr
    13·1 answer
  • Plant food made by photosynthesis consists of:
    11·2 answers
  • 4
    10·1 answer
  • My coworker wants me to take her on a date should I?
    15·1 answer
  • 48:21
    5·1 answer
  • Music Theory
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!