Pakitulong naman po di sa dalawang question na ito, Thank you po!

Answer:
a. 123.057, 123.075, 123.507, 123.570, 123.705
b. 505, 105.5, 10.5, 1.05, 1.005
Step-by-step explanation:
Hope it helps
ascending means least to greatest
and descending means greatest to least
just incase you dont know lng po hehe