8 × 104 = 80000

2 × 102 = 200

7 × 104 = 70000

1 × 104 = 10000

1 × 102 = 100

6 × 102 = 600

5 × 104 = 50000

4 × 103 = 4000

1 × 103 = 1000

4 × 104 = 40000

8 × 102 = 800

7 × 103 = 7000

3 × 103 = 3000

3 × 102 = 300

9 × 103 = 9000

9 × 104 = 90000