If 2.50 pCi [1 pCi (picocurie) 1X10⁻¹²Ci] of radioac-tivity from ²³⁹Pu is emitted in a 95-kg human for 65 h, and eachdisintegration has an energy of 8.25X10⁻¹³ J, how many graysdoes the person receive?

If 2.50 pCi [1 pCi (picocurie) 1X10⁻¹²Ci] of radioac-tivity from ²³⁹Pu is emitted in a 95-kg human for 65 h, and eachdisintegration has an energy of 8.25X10⁻¹³ J, how many graysdoes the person receive?

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