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Help with question please

In humans, after the gametes join at fertilisation, every cell of the developing embryo undergoes mitotic divisions before the embryo attaches to the uterus lining. • The first cell division takes 24 hours. • The subsequent divisions each take 8 hours. After 3 days, the embryo has a total volume of 4.2 × 10–3 mm3 . What is the mean volume of each cell after 3 days? Express your answer in standard form. Show your working

I have spent the last hour trying to answer this queston.Its only a 2 mark question so am wondering if theres something simple Im not getting.
I worked out there are 4 divisions but am not sure how to move on from that point!

(edited 3 years ago)

Reply 1

susiebe

Ooops i made such a silly mistake.Looking at 48 hrs instead of 72.Another reminder to read the question!!

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