subject
Mathematics, 03.06.2020 05:57 aaronnnn6998

A scientist has 20 grams of the radioactive isotope sodium-24. The isotope decays exponentially as shown in the table.
Time (hours)
Mass (grams)
5
15.9
10
12.6
15
10
20
7.9
25
6.3
30
5
Approximately what will the mass of the isotope be after 45 hours?
ОА.
1.5 grams
B. 2.5 grams
C. 3.5 grams
D.
4.5 grams
320 Edmentum. All rights reserved.


A scientist has 20 grams of the radioactive isotope sodium-24. The isotope decays exponentially as

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:50
If the scale factor between two circles is 2x/5y what is the ratio of their areas?
Answers: 3
question
Mathematics, 21.06.2019 21:00
Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x βˆ’ 3 y = βˆ’x + 3 y = βˆ’x βˆ’ 3 y = x + 3 will award !
Answers: 3
question
Mathematics, 21.06.2019 22:30
What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges
Answers: 3
question
Mathematics, 21.06.2019 23:00
Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so
Answers: 2
You know the right answer?
A scientist has 20 grams of the radioactive isotope sodium-24. The isotope decays exponentially as s...
Questions
question
Mathematics, 24.02.2021 18:10
question
Mathematics, 24.02.2021 18:10
question
Health, 24.02.2021 18:10
question
Mathematics, 24.02.2021 18:10
question
English, 24.02.2021 18:10
question
Mathematics, 24.02.2021 18:10
question
Mathematics, 24.02.2021 18:10