subject
Mathematics, 21.09.2021 05:10 joyelewis58

Element X is a radioactive isotope such that every 21 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 1800 grams, how much of the
element would remain after 28 years, to the nearest whole number?

ansver
Answers: 2
Show answers

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
What is the exact volume of the cylinder? 16in going into the middle of the top of the cylinder and 40in in height a) 25,600(pi)3 b)10,240(pi)3 c)1280(pi)3 d)640(pi)3
Answers: 1
Answer
question
Mathematics, 21.06.2019 15:30
Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet
Answers: 1
Answer
question
Mathematics, 21.06.2019 19:00
What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box
Answers: 2
Answer
question
Mathematics, 21.06.2019 21:30
Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter
Answers: 1
Answer
You know the right answer?
Element X is a radioactive isotope such that every 21 years, its mass decreases by half. Given tha...
Questions
question
Mathematics, 15.07.2020 01:01
14 Triangle A can be mapped onto triangle B by a combination of two transformations. Describe the two transformations fully.
question
Biology, 15.07.2020 01:01
If Vmax is unchanged with addition of inhibitor, what kind of inhibitor is malonate?...
question
Physics, 15.07.2020 01:01
A cylinder rotating about its axis with a constant angular acceleration of 1.6 rad/s2 starts from rest at t = 0. At the instant when it has turned thr...
question
Mathematics, 15.07.2020 01:01
1 Point In order for the two figures shown below to be similar, the length of the unknown side must be If necessary, round your answer to...
question
English, 15.07.2020 01:01
Read Edgar Allan Poe’s poem "A Dream Within a Dream," and write a 250- to 300-word essay answering these questions: Which word best describes the tone...
question
Physics, 15.07.2020 01:01
How does the sound produced when there is a box underneath the string look different on the screen of oscilloscope from the sound when there is no box...
question
English, 15.07.2020 01:01
Now Zeus the lord of cloud roused in the north a storm against the ships, and driving veils of squall moved down like night on land and sea. The bows...
question
Mathematics, 15.07.2020 01:01
A stock has a beta of 0.95, the expected return on the market is 16 percent, and the risk-free rate is 7.2 percent. What must the expected return on t...
question
History, 15.07.2020 01:01
A. Which of the following is true about the first nuclear test bomb? There was one nuclear explosion and no dynamite explosion, since the first...
question
Biology, 15.07.2020 01:01
Short pea plants exist in the P1 and F2 generations. What happens to the phenotype in the F1 generation?...
question
Physics, 15.07.2020 01:01
What is the role of the part in the diagram labeled Y? modulate, amplify, and send out waves O capture, amplify, and demodulate waves cha...
question
Mathematics, 15.07.2020 01:01
a group of girls bought 72 rainbow hairbands ,144 brown and black hairbands and 216 bright colored hairbands .what is the largest possible number of g...
question
Mathematics, 15.07.2020 01:01
describe how the graph of y=-2f[3(x-4)]-5 can be obtained from the graph of f(x)=x^4. Be sure to use full sentences when describing the transformation...
question
Geography, 15.07.2020 01:01
State three proper channels an individual can use in demanding his or her right n freedom...
question
Physics, 15.07.2020 01:01
Could anyone explain how to size of an image works in a pinhole camera?...
question
English, 15.07.2020 01:01
Read the passage from Sugar Changed the World. Cutting cane was hard work, but it was nothing like what came next: Piles of freshly cut cane had to be...
question
English, 15.07.2020 01:01
How does Tessa's interaction with Varick during the storms demonstrate her feelings about him? Tessa becomes annoyed by Varick's ability to not let ob...
question
Physics, 15.07.2020 01:01
An ion has a charge of +3.2 x 1014 C. Another charge is brought near it and experiences a repulsive electrostatic force. This other charge must be...
question
Mathematics, 15.07.2020 01:01
Quiz: Congruent and Similar Figures 4:Classifying Figures 2R380°6U235°TtoV8Th...
question
English, 15.07.2020 01:01
The Adventures of Huckleberry Finn by Mark Twain. "Here comes old Boggs! -- in from the country for his little old monthly drunk; here he comes, boys!...
More questions: Mathematics Another questions
Questions on the website: 13722361
See results (0)