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
satela [25.4K]
3 years ago
10

After two half-lives, how much of the original material has decayed?

Geography
2 answers:
Leona [35]3 years ago
7 0
After two half-lives theres only going to be 25% of the original isotope, 75% of the decay product.
rewona [7]3 years ago
5 0

Answer:

75%

Explanation:

100 divided by 2 is 50, and 50 divided by 2 is 25. That's how much material you have left, so 75% of it has decayed.

You might be interested in
When swinging on a swing, what
irina [24]

Answer:

The resistance of the air would be your answer.

Explanation:

It acts like same as Friction.

Hope it helps!

7 0
3 years ago
Magma that forces its way into rocks and hardens is called
sasho [114]
Igneous rock is formed when magma hardens
4 0
3 years ago
What is a null hypothesis?​
Svetllana [295]

Answer:

The null hypothesis is a typical statistical theory which suggests that no statistical relationship and significance exists in a set of given single observed variable, between two sets of observed data and measured phenomena.

Hope this helps, have a great day/night, and stay safe!

4 0
3 years ago
WHAT IS THE SIMPLEST FORM OF 18\42
Elina [12.6K]
Your answer would be 3/7
3 0
3 years ago
What causes accents to form
ludmilkaskok [199]

Different languages so when you try to speak something outside of your native language your pronunciation is like that of your native language.

5 0
3 years ago
Other questions:
  • Based on the chart above, what can be inferred about Sudan?
    5·2 answers
  • For centuries before Europeans and Americans came to the Hawaiian Islands, Hawaiian culture was characterized by A. hunting and
    10·2 answers
  • Teotihuacán is located in IndiaMexicoChinaGreece.
    6·2 answers
  • What are some of the major bodies of water in Canada?
    8·2 answers
  • Difference between longitude and latitude​
    15·2 answers
  • Which two bodies of water are connected by the panama canal?
    13·1 answer
  • State two measures which have been taken to minimise the harmful effects of floods.
    14·1 answer
  • What is the tallest mountain in the world and where is it located?​
    7·1 answer
  • Suggest why the impacts of an earthquake may be more severe in a LIC than a HIC
    9·1 answer
  • Coal is another fossil fuel often found ____ oil and natural gad reserves
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!