my Welcome - LookingGlass × WA HW (6.5) X WA HW (6.5) - Math 1220GS X 6-5.pdf 10 webassign.net/web/Student/Assignment-Responses/submit?dep=34562730&tags=autosave #question1848913_1 2. [0/3 Points] DETAILS MY NOTES STITZCA3 6.5.028.CAP. The half-life of the radioactive isotope Carbon-14 is about 5730 years. Part (a) - Find N in terms of t. The amount of a radioactive element A at time t is given by the formula A(t) = Aoekt, + BC Relaunch to update: PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER where A is the initial amount of the element and k < 0 is the constant of proportionality which satisfies the equation (instantaneous rate of change A(t) at time t) = KA(t). Use the formula given above to express the amount of Carbon-14 left from an initial N milligrams as a function of time t in years. (Round k to six decimal places.) A(t) = 2.718280 mg Part (b) Find the percentage remaining. What percentage of the original amount of Carbon-14 is left after 10,000 years? (Round to the nearest tenth.) esc 89 × % Part (c) - Find the age. If an old wooden tool is found in a cave and the amount of Carbon-14-present in it is estimated to be only 41% of the original amount, approximately how old is the tool? (Round to the nearest year.) years old Additional Materials Reading Viewing Saved Work Revert to Last Response Submit Answer 3. [-/5 Points] DETAILS MY NOTES STITZPRECALC3 6.5.CYM.001. Q A ck 2 NO #3 80 $ 64 4 000 DOD F4 % do 40 MacBook Air. F5 F6 VA F7 6 * 7 8 W E R T Y U S DII 44 FB F9 F10 D F G H J K L Z X C V B N M H option command MOSISO H calcPad Operations Functions VO 0 Symbols Relations 0 In e 0 log 10 log Sets Vectors Trig Greek Help ASK YOUR TEACHER F11 GE + || P [ F12 command option delete
my Welcome - LookingGlass × WA HW (6.5) X WA HW (6.5) - Math 1220GS X 6-5.pdf 10 webassign.net/web/Student/Assignment-Responses/submit?dep=34562730&tags=autosave #question1848913_1 2. [0/3 Points] DETAILS MY NOTES STITZCA3 6.5.028.CAP. The half-life of the radioactive isotope Carbon-14 is about 5730 years. Part (a) - Find N in terms of t. The amount of a radioactive element A at time t is given by the formula A(t) = Aoekt, + BC Relaunch to update: PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER where A is the initial amount of the element and k < 0 is the constant of proportionality which satisfies the equation (instantaneous rate of change A(t) at time t) = KA(t). Use the formula given above to express the amount of Carbon-14 left from an initial N milligrams as a function of time t in years. (Round k to six decimal places.) A(t) = 2.718280 mg Part (b) Find the percentage remaining. What percentage of the original amount of Carbon-14 is left after 10,000 years? (Round to the nearest tenth.) esc 89 × % Part (c) - Find the age. If an old wooden tool is found in a cave and the amount of Carbon-14-present in it is estimated to be only 41% of the original amount, approximately how old is the tool? (Round to the nearest year.) years old Additional Materials Reading Viewing Saved Work Revert to Last Response Submit Answer 3. [-/5 Points] DETAILS MY NOTES STITZPRECALC3 6.5.CYM.001. Q A ck 2 NO #3 80 $ 64 4 000 DOD F4 % do 40 MacBook Air. F5 F6 VA F7 6 * 7 8 W E R T Y U S DII 44 FB F9 F10 D F G H J K L Z X C V B N M H option command MOSISO H calcPad Operations Functions VO 0 Symbols Relations 0 In e 0 log 10 log Sets Vectors Trig Greek Help ASK YOUR TEACHER F11 GE + || P [ F12 command option delete
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.6: Inequalities
Problem 78E
Related questions
Question
![my Welcome - LookingGlass
×
WA HW (6.5)
X
WA HW (6.5) - Math 1220GS X
6-5.pdf
10
webassign.net/web/Student/Assignment-Responses/submit?dep=34562730&tags=autosave #question1848913_1
2. [0/3 Points]
DETAILS
MY NOTES
STITZCA3 6.5.028.CAP.
The half-life of the radioactive isotope Carbon-14 is about 5730 years.
Part (a) - Find N in terms of t.
The amount of a radioactive element A at time t is given by the formula
A(t) = Aoekt,
+
BC
Relaunch to update:
PREVIOUS ANSWERS
ASK YOUR TEACHER
PRACTICE ANOTHER
where A is the initial amount of the element and k < 0 is the constant of proportionality which satisfies the equation
(instantaneous rate of change A(t) at time t) = KA(t).
Use the formula given above to express the amount of Carbon-14 left from an initial N milligrams as a function of time t in years. (Round k to six decimal places.)
A(t) = 2.718280
mg
Part (b) Find the percentage remaining.
What percentage of the original amount of Carbon-14 is left after 10,000 years? (Round to the nearest tenth.)
esc
89
× %
Part (c) - Find the age.
If an old wooden tool is found in a cave and the amount of Carbon-14-present in it is estimated to be only 41% of the original amount, approximately how old is the tool? (Round to the nearest year.)
years old
Additional Materials
Reading
Viewing Saved Work Revert to Last Response
Submit Answer
3. [-/5 Points]
DETAILS
MY NOTES
STITZPRECALC3 6.5.CYM.001.
Q
A
ck
2
NO
#3
80
$
64
4
000
DOD
F4
%
do 40
MacBook Air.
F5
F6
VA
F7
6
*
7
8
W
E
R
T
Y
U
S
DII
44
FB
F9
F10
D
F
G
H
J
K
L
Z
X
C
V
B
N
M
H
option
command
MOSISO
H
calcPad
Operations
Functions
VO
0
Symbols
Relations
0
In
e
0
log
10
log
Sets
Vectors
Trig
Greek
Help
ASK YOUR TEACHER
F11
GE
+ ||
P
[
F12
command
option
delete](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3375412b-798f-4b74-82ff-9042c019f4a3%2F9b56c798-2802-4cef-bb36-88ec60327bd4%2Fcwsuaq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:my Welcome - LookingGlass
×
WA HW (6.5)
X
WA HW (6.5) - Math 1220GS X
6-5.pdf
10
webassign.net/web/Student/Assignment-Responses/submit?dep=34562730&tags=autosave #question1848913_1
2. [0/3 Points]
DETAILS
MY NOTES
STITZCA3 6.5.028.CAP.
The half-life of the radioactive isotope Carbon-14 is about 5730 years.
Part (a) - Find N in terms of t.
The amount of a radioactive element A at time t is given by the formula
A(t) = Aoekt,
+
BC
Relaunch to update:
PREVIOUS ANSWERS
ASK YOUR TEACHER
PRACTICE ANOTHER
where A is the initial amount of the element and k < 0 is the constant of proportionality which satisfies the equation
(instantaneous rate of change A(t) at time t) = KA(t).
Use the formula given above to express the amount of Carbon-14 left from an initial N milligrams as a function of time t in years. (Round k to six decimal places.)
A(t) = 2.718280
mg
Part (b) Find the percentage remaining.
What percentage of the original amount of Carbon-14 is left after 10,000 years? (Round to the nearest tenth.)
esc
89
× %
Part (c) - Find the age.
If an old wooden tool is found in a cave and the amount of Carbon-14-present in it is estimated to be only 41% of the original amount, approximately how old is the tool? (Round to the nearest year.)
years old
Additional Materials
Reading
Viewing Saved Work Revert to Last Response
Submit Answer
3. [-/5 Points]
DETAILS
MY NOTES
STITZPRECALC3 6.5.CYM.001.
Q
A
ck
2
NO
#3
80
$
64
4
000
DOD
F4
%
do 40
MacBook Air.
F5
F6
VA
F7
6
*
7
8
W
E
R
T
Y
U
S
DII
44
FB
F9
F10
D
F
G
H
J
K
L
Z
X
C
V
B
N
M
H
option
command
MOSISO
H
calcPad
Operations
Functions
VO
0
Symbols
Relations
0
In
e
0
log
10
log
Sets
Vectors
Trig
Greek
Help
ASK YOUR TEACHER
F11
GE
+ ||
P
[
F12
command
option
delete
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