They are: 2, 4, 9 and 7 respectively in Hindu-Arabic numerals
2 4 9 7
i ii ii i i ix viii vii
II-VII-MMXI
Ix/vii/ii
II-VII-MMXI
It is: II-VII-MMX
It is: VII-II-MMXII
II-VII-MM
It is: II-VII-MMXII
It is: VII-II-MMXII
VII-II-MMII
The Roman numerals for the minor scale are i, ii, iii, iv, v, vi, and vii.