How many moles in 8280 cm₃ of Hydrogen Gas at RTP [Room Temperature and Pressure]

-First, Use the Formula, with the Molar Volume Rule [and Convert the Units] 8280cm₃ = 8.28dm₃ and -N of Moles = VG / 24 ---> N of Moles = 8.28 / 24 = 0.345