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A lab rat weighs 265g and absorbs 1.68x10^10 beta decay particles, each with ernegy of 2.20x10^-13 J. If relative biological effectiness is 0.75, what is the equivalent dose?

a) 1.04x10^-2 sv

b) 1.39x10^-2 sv

c) 1.04x10^-5 sv

d) 1.39x10^-5 sv

e) 6.23x10^-13 sv

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