subject
Mathematics, 12.12.2020 16:40 MidnightDuel

In a lab experiment, the decay of a radioactive isotope is being observed. At the beginning of
the first day of the experiment the mass of the
substance was 1000 grams and mass was
decreasing by 14% per day. Determine the
mass of the radioactive sample at the
beginning of the 10th day of the experiment.
Round to the nearest tenth (if necessary).

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]
Answers: 3
question
Mathematics, 21.06.2019 22:00
Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2
Answers: 1
question
Mathematics, 22.06.2019 01:30
Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?
Answers: 1
question
Mathematics, 22.06.2019 01:30
20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.
Answers: 2
You know the right answer?
In a lab experiment, the decay of a radioactive isotope is being observed. At the beginning of
Questions
question
Physics, 22.04.2021 18:00
question
Mathematics, 22.04.2021 18:00
question
Mathematics, 22.04.2021 18:00
question
Mathematics, 22.04.2021 18:00
question
English, 22.04.2021 18:00
question
Mathematics, 22.04.2021 18:00
question
Computers and Technology, 22.04.2021 18:00
Questions on the website: 13722361