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## Homework Statement

Alpha particles with an RBE of 13 deliver a 53 mrad whole-body radiation dose to a 65 kg patient.

(a) What dosage, in rem, does the patient receive?

(b) How much energy is absorbed by the patient (in mJ)?

## Homework Equations

dose in rem = dose in rad x RBE

## The Attempt at a Solution

I correctly answered part (a), getting 0.689J/kg as my answer. For part (b), I then multipled the answer from (a) by 65kg, which equals 44.785 J, or 44,785 mJ. However, my answer is incorrect. Is there something I am missing? Thanks.