a patient has an order for a medication for 15mg/m2, the patient has a BSA of 1.6m2. the medication is available as a 100mg/5ml. how much ml are needed per dose.

i have the answer 1.2ml
my formula 1st. step
15 x1.6 =24mg
2nd step did a ratio
100mg/5ml = 24mg/xml
crossed multiply
24x5=120/100=1.2ml
is that correct

Yes, that is correct. Your calculation and method are accurate.