A(SO)- 97.657 is present ofter (a) What is the initial amount of the isotope present in the sample? AGamount of a radioactive isotope present in a certain sample at time t is given by A(t) : = 400e-0.02828t grams, where t years is the time since the initial amount was measured. (a) What is the initial amount of the isotope present in the sample? (b) How much of the isotope is present after 50 years? 50 yeaks రం (c) How much is half of the initial value? 1200
A(SO)- 97.657 is present ofter (a) What is the initial amount of the isotope present in the sample? AGamount of a radioactive isotope present in a certain sample at time t is given by A(t) : = 400e-0.02828t grams, where t years is the time since the initial amount was measured. (a) What is the initial amount of the isotope present in the sample? (b) How much of the isotope is present after 50 years? 50 yeaks రం (c) How much is half of the initial value? 1200
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Related questions
Question
![20
20
10
li000,00 = 500
000008
000000
000000
4=500,00
00000
15
25
35
3.
ACte amount of a radioactive isotope present in a certain sample at time t is given by
= 400e-0.02828t
(7)
%3D
grams, where t years is the time since the initial amount was measured.
(a) What is the initial amount of the isotope present in the sample?
(b) How much of the isotope is present after 50
years?
(c) How much is half of the initial value?
1200
(d) Find the half-life of this isotope. That is, find the
number of years until half of the original amount of the
isotope remains.
009
00-
-00-
-40
-20
40
09
08
000](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F77bccaaa-3398-470b-a57f-98fd2951c11e%2F67405042-6c89-4403-aa13-95955a591c0b%2Fjkfl8esi.jpeg&w=3840&q=75)
Transcribed Image Text:20
20
10
li000,00 = 500
000008
000000
000000
4=500,00
00000
15
25
35
3.
ACte amount of a radioactive isotope present in a certain sample at time t is given by
= 400e-0.02828t
(7)
%3D
grams, where t years is the time since the initial amount was measured.
(a) What is the initial amount of the isotope present in the sample?
(b) How much of the isotope is present after 50
years?
(c) How much is half of the initial value?
1200
(d) Find the half-life of this isotope. That is, find the
number of years until half of the original amount of the
isotope remains.
009
00-
-00-
-40
-20
40
09
08
000
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