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
goldenfox [79]
3 years ago
15

If the half life of a substance is 4 weeks, how long will it take for 400 mg of this substance to decay to 25 mg?

Mathematics
1 answer:
Law Incorporation [45]3 years ago
4 0

Answer:

I believe the answer is 16 weeks.

Step-by-step explanation:

Sorry for the wait

You might be interested in
Answer to 3 copies of 1/3=
romanna [79]

Answer:

1/3

0.3 recurring

33.3% recurring

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
At the beginning of 2002, an ice cream shop claimed to have "nearly 969 different ice cream flavors." Assuming that you could ch
Harlamova29_29 [7]
You could have 34,884 desserts.

The fundamental counting principle says that to find the total we do choices x choices x choices....

In this case, we have 969*12*3 = 34884.
5 0
4 years ago
Read 2 more answers
Divide<br> 2/3 divided by 1/6<br> =
ELEN [110]

Answer:

4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Express tan A as a ratio with a rationalized denominator.
Hitman42 [59]
tan A = opposite/ adjacent , so it is equal to 7/ 4V2, or 7V2/4 which is answer B
5 0
3 years ago
How many solutions are there to the quadratic formula 10x + y = -x2 + 2
ELEN [110]
Using quadratic formula you can have a maximum of two solutions. When you set this problem equal to zero, your a=-1, b=-10, c=2
4 0
3 years ago
Other questions:
  • Three consecutive even integers are such that the sum of the smallest and three times the second is 38 more than twice the third
    10·2 answers
  • The radius of a circle is 3 in. Find its area to the nearest tenth.
    10·2 answers
  • a waiter earns 8.75 per hour and works 36 hours per week and works 5 days per week. if he makes an average of $80 per shift in t
    13·1 answer
  • The product of two whole numbers is<br> 416 and their sum is<br> 42. What are the two numbers?
    13·1 answer
  • Terry had a rope 4.65 meters long. he cut off 0.2 meters. how long was the piece of rope that was left
    8·1 answer
  • -9p = 44+2p<br> what does p equal
    8·2 answers
  • Label all of the parts of the circle
    9·1 answer
  • It takes kevin 15 intes to drive 5 1/2 miles
    5·2 answers
  • Need help quick its due at 3 15
    6·1 answer
  • (Arithmetic Sequence)<br><br> Why does it keep saying I’m wrong? Is there something I’m missing?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!