![subject](/tpl/images/cats/mat.png)
Mathematics, 07.07.2019 21:30 girly37
Eric starts with 10 milligrams of a radioactive substance. the amount of the substance decreases by 12 each week for a number of weeks, w. he writes the expression 10(12)w to find the amount of radioactive substance remaining after w weeks. andrea starts with 1 milligram of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. she writes the expression (1−0.2)w to find the amount of radioactive substance remaining after w weeks. use the drop-down menus to explain what each part of eric’s and andrea’s expressions mean.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30, msheehan4737
What is the first step of an indirect proof of a number that is divisible by two
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30, cxttiemsp021
Is appreciated! graph the functions and approximate an x-value in which the exponential function surpasses the polynomial function. f(x) = 4^xg(x) = 4x^2options: x = -1x = 0x = 1x = 2
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00, tmrsavage02p7cj16
Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00, leysirivera23ovez6n
The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?
Answers: 1
You know the right answer?
Eric starts with 10 milligrams of a radioactive substance. the amount of the substance decreases by...
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
History, 25.12.2019 23:31
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/es.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 25.12.2019 23:31
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/health.png)
Health, 25.12.2019 23:31