6.54 x 10^5
When trying to figure out a number in a scientific notation, use this notation!
<span>a*10^<span>b
</span></span>
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Water will freeze at 0°C so the answer is b
<span>The answer should be Uranium. As tiny amounts of that (rods normally) can fuel a whole nuclear energy station for years.</span>
Gas -- move very independently as compared to a liquid, for instance.
Plasma -- related to a gas although it has positively charged ions and negatively charged electrons.