Answer:
9
Step-by-step explanation:
Add nine to both sides:

Divide by six:


<span>As we know that the
k = ln(2)/t½
so putting values
= ln(2)/5556 years
</span><span> =0.6931471/5556
</span> =0.0001247565yr⁻
Answer:

Step-by-step explanation:



Answer:
$ 2.72
Step-by-step explanation:
divide 10.88 by 4