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
Stells [14]
3 years ago
13

after 24.0 days, 2.00 milligrams of an original 128.0 milligram sample remain. what is the half-life of the sample?

Mathematics
1 answer:
coldgirl [10]3 years ago
6 0
<span>(1/2)n = 0.015625 
n log 0.5 = log 0.015625 
n = log 0.5 / log 0.015625 
n = 6</span><span>24 days / 6 half-lives = 4.00 days (the length of the half-life)

</span>
You might be interested in
Cody saves all his nickles. Today he is getting them out of his piggy bank and wrapping them to take to the bank. He finds he ha
Sav [38]
40x=360
Which means he needs 9 wrappers
6 0
3 years ago
Read 2 more answers
Write a proportion for each of the diagrams below and solve for the missing value.
Arada [10]

Answer:

x=7.5

Step-by-step explanation:

\frac{8}{5} =\frac{12}{x}

8x=60

x=7.5

8 0
3 years ago
The length of one side of a square city block is 462 meters. what is the perimeter of the block
trapecia [35]
The perimeter of any shape is just what you get when you add up all of the side lengths. We know that one side is 462 meters, and since a square has four equal sides, we can just mulitply 462 × 4 to get our perimeter, 1,848 meters.
3 0
3 years ago
Can Some Help Me. ?
Marysya12 [62]

Answer:

The answer  is b Hope this helps!!! Tysm and tell me if i get it wrong

:3 Thanks!!!

4 0
3 years ago
Please help asap 25 pts
irinina [24]
D The graph is an absolute value function with vertex (-2, 0).

Look at the picture.

5 0
3 years ago
Read 2 more answers
Other questions:
  • Theo is 4 years younger than twice his brother, Leo’s, age. Leo is 7 years old. How old is Theo?
    13·1 answer
  • Find the solution...
    9·1 answer
  • For an employee training, the employee to instructor ratio is 24 to 2. If there are 22 instructors for the training, how many em
    15·1 answer
  • If 6 newborn babies are randomly selected, how many different gender sequences are possible?
    13·1 answer
  • Find the measure of the angle O. (Remember, you are finding the actual angle measure, not the ratio.)
    10·1 answer
  • Write 1/3 x 1/3 x 1/3 as a exponent
    10·1 answer
  • Factor the algebraic expression 18a + 14 18a + 14 = (Factor completely.)<br>​
    5·1 answer
  • A- You roll a regular die (one dice). What is the probability of rolling a 4? SIMPLIFY,
    6·2 answers
  • A line passes through the point (2,-4) and has a slope of 5/2 .
    7·1 answer
  • Please help me with this math problem!! NO LINKS PLEASE!! Will give brainliest if correct!! :) (Picture attached below)
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!