This may be the answer,hope it helps
Without needing fancy formulas, we can conclude that after 10 years, half of the substance will be left. So, we can make our own formula:
amount remaining = 1 / 2^(years/10)
So, after 5 years
amount remaining = 1 / 2^(5/10)
amount remaining = 1 / 2^(.5)
amount remaining = 1 /
<span>
<span>
<span>
1.414213562
</span>
</span></span><span>amount remaining = 0.70711 * 20 grams
</span><span><span><span><span>amount remaining = </span>14.1421356237 grams
</span></span></span>
Answer:
Part A: hx2=a
Part B: 5hours
Step-by-step explanation:
Answer:
-17/18
Step-by-step explanation:
find least common multiple, which is 18
multiply the numerators by the number you multiplied on the denominator.
and subtract.
