- How do you Calculate the true activity of potassium-40?

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Two red blood cells each have a mass of 9.05*10^-14 kg and carry a negative charge spread uniformly over their surfaces.? 2/3 x 2/3? In formally proving that lim x->1 (1/9x-1)=-8/9, let ε>0 be arbitrary. Determine δ as a function of ε. please write epsilon for ε for answer? If an animal has four legs then it is an animal? The lateral area of a regular hexagonal prism with base edge 5 and height 10 is ?