Answer:
512 square inches
Step-by-step explanation:
If A = s², and , then
and
which simplifies to
which simplifies to
Therefore, if and
, then
A = 512 square inches
Two different radioactive isotopes decay to 10% of their respective original amounts. Isotope A does this in 33 days, while isot
ope B does this in 43 days. What is the approximate difference in the half-lives of the isotopes?
a 3 days
b 10 days
c 13 days
d 33 days
a 3 days
b 10 days
c 13 days
d 33 days
2 answers:
You might be interested in
Add 25 to both sides:
Square root both sides.
When you square root a perfect square, you will get a plus/minus result:
The other solution to this answer is x = -5.