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sqrt((.8923^4*3.839*10^26*(1-.389))/(16pi*5.670373*10^-8*213^4))/(1.6162*10^3) to 50 digits
sqrt((.8923^4*3.839*10^26*(1-.389))/(16pi*5.670373*10^-8*213^4))/(1.6162*10^3) to 50 digits
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