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A solution containing active cobalt 2760 co having activity of 0.8μciand decay constant λ is injected into an animal's body. If 1cm3 of blood is drawn from the animal's body after 10hrs of injection, the activity found was 300 decays per minute. What is the volume of blood that is flowing in the body?

(1Ci=3.7×1010FcayPerSecondandAtT=10HrsE-λT=0.84)