Correct answer: the first choice !
Answer:
proportional/equal
Step-by-step explanation:
doesnt need
Answer:
40
ljfldnjkafkjagfbkg bkj hbsfgjhg .
Step-by-step explanation:
Note: a radioactive decay constant is always negative.
time = [natural log(ending amount / beginning amount)] / k
time = ln (20 / 24) / -.00011
time = ln (5/6) / -.00011
time = -.018232155683 / -.00011
time =
<span>
<span>
<span>
165.7468698455
</span>
</span>
</span>
time =
<span>
<span>
<span>
165.75 years
</span></span></span>