<|system|>
The half-life of ${ }^{238} \mathrm{U}$ is $4.5 \times 10^9$ years. How many disintegrations occur in $1 \mathrm{~min}$ for a $10 \mathrm{mg}$ sample of this element?</s>.
<|user|>
Can you answer based on context?
<|assistant|>
1.43