Answer:
8
Step-by-step explanation:
Here’s the answer, hope it helps. Btw these are screenshots from someone else’s work not mine
I've heard of milliseconds, microseconds and nanoseconds, but never a megasecond. By the way:
<span>1 second = 1000 milliseconds </span>
<span>1 second = 1,000,000 microseconds </span>
<span>1 second = 1e+009 nanoseconds
</span>
Hello :
<span>the nth term is : an= a1×q^(n-1)....... a1 = 8 and q = -3
</span>an= 8×(-3)^(n-1)<span>
</span>
Answer:
2.60 gr
Step-by-step explanation:
We need to consider the function
where Po is the initial substance k is the rate of decay and t is the time
We know that
and at the 7 th year P(t) is 7
This means

We solve for k
