3 years ago

What is the value of the digit 8 in 28175

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

6 0

8,000 thousands first is ones next tens , hundreds next thousands

liraira [26]3 years ago

3 0

The value of 8 is eight thousands

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3 years ago

226Ra has a half-life of 1599 years. How much is left after 1000 years if the initial amount was 10 g?

Ray Of Light [21]

$\bf \textit{Amount for Exponential Decay using Half-Life}\\\\
A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &10\\
t=\textit{elapsed time}\to &1000\\
h=\textit{half-life}\to &1599
\end{cases}
\\\\\\
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