plz solve ques 1

Dear student
1) standard form = 279404
   Expanded form = 200000 + 70000+ 9000 + 0 + 4

2) standard form = 3006194
  Expanded form= 3000000 + 0 + 0 + 6000 + 100 + 90 + 4

3) standard form = 2806196
  Expanded form= 2000000 + 800000 + 0 + 6000 + 100 + 90 +6

4) standard form = 120719
 Expanded form = 100000 + 20000 + 0 + 700 + 10 + 9

5) standard form = 20068
Expanded form = 20000 + 0 + 0 + 60 + 8

I hope it helps you.
Regards
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