Nick starts with 20 milligrams of a radioactive substance. The amount of the
substance decreas...
![subject](/tpl/images/cats/mat.png)
Mathematics, 30.05.2020 20:00 jennychrin95
Nick starts with 20 milligrams of a radioactive substance. The amount of the
substance decreases by each week for a number of weeks, w. He writes the
expression 20()" to find the amount of radioactive substance remaining after w
weeks.
Autumn starts with 1 milligram of a radioactive substance. The amount of the
substance decreases by 50% each week for a number of weeks, W. She writes the
expression (1 – 0.5)" to find the amount of radioactive substance remaining after w
weeks.
Use the drop-down menus to explain what each part of Nick's and Autumn's
expressions mean.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:50
What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?
Answers: 2
![question](/tpl/images/cats/mat.png)
You know the right answer?
Questions
![question](/tpl/images/cats/es.png)
Spanish, 01.04.2020 19:39
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.04.2020 19:39
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.04.2020 19:39
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.04.2020 19:40
![question](/tpl/images/cats/mat.png)
Mathematics, 01.04.2020 19:40
![question](/tpl/images/cats/biologiya.png)
Biology, 01.04.2020 19:40
![question](/tpl/images/cats/es.png)
Spanish, 01.04.2020 19:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 01.04.2020 19:40
![question](/tpl/images/cats/mat.png)
Mathematics, 01.04.2020 19:40