Answer:
1. 76,000
2. 8050
3. 240000
Explanation:
We know that
1 tens = 10 ones
1 hundreds = 100 ones
1 thousand = 1000 ones
10 thousands = 10000 ones
Using these conversions we get,
1 :

2 :

3 :

Table can be filled as shown below:
Thousands Ones
Q. no. Hundreds Tens Ones Hundreds Tens Ones
1. 7 6 0 0 0
2. 8 0 5 0
3. 2 4 0 0 0 0