A patient receives absorbed dose of radiation 300mGy from an alpha emitting radionuclide radium 223, into breast tissue this emits 300mSv The patient at the same time receives a dose (300mGy) from strontium 89 of beta emitter Calculate effective dose?

given the information provided this is not a maths question - perhaps better to provide either a bit more context or post elsewhere? (sounds like could be Chemistry / Physics...?)

Nick Gray

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Graduated with a First Class Honours in Economics and Finance at Queen Mary University. I have 6 years experience teaching Maths and Economics and love teaching them both from a very basic level to more advanced. I tailor my teaching methods to cater for the needs of different students - and if you’re like me and take time to understand things, dont worry - I will ensure I take things slowly and only move on when you are happy with a topic. I’ve taught over 200 students in total over 6 years and am still looking to help students out with subjects I know.

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I am Samira, a qualified Secondary Maths Teacher, 3 yrs and Maths tutor for 8yrs. DBS checked and am qualified upto Post Graduate level including the CELTA-5 certification. I have extensive experience in teaching Maths and Science upto GCSEs. I have also tutored English from ESOL/IELTS/TOEIC upto GCSE. This includes facilitating learners to pass their SATs and 11+ exams. In addition to the above I have been fortunate to teach Saturday School classes in Arabic Language (Grammer and Pronounciation/Tajweed) and Theology (Islamic Studies).

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