Letís work some examples:
ē Problem #4:
m †††† MV†††† d (pc)†† P (arcsec)
7†† †††† 7†††† 10†††† 0.1
11†††† 1†††† 1000†††† 0.001
1†††††† -2†††† 40†††† 0.025
4†††††† 2†††† 25†††† 0.040