226.2
Step-by-step explanation
Lateral= 2Ï€rh
H=12
R=3
2*Ï€*3*12=226.19
Round to nearest 10th is 226.2
1gm = 1000mg so 0.1gm = 1000mg
first, convert the weight to kg
160lb * 1kg/2.2lb = 72.7kg
next, the dose
72.7kg * 100mg/kg = 7270mg