Answer Key

1 a.

5 × 100 + 2 × 10 + 3 × 1

2 a.

1 × 1,000 + 9 × 100 + 8 × 10 + 1 × 1

3 a.

7 × 1,000 + 1 × 100 + 7 × 10

4 a.

4 × 10,000 + 8 × 1,000 + 9 × 100 + 4 × 10 + 9 × 1

5 a.

6 × 1,000 + 1 × 100

6 a.

8 × 100,000 + 5 × 10,000 + 4 × 1,000 + 3 × 100 + 6 × 10 + 3 × 1

7 a.

7 × 100,000 + 5 × 10,000 + 3 × 1,000 + 5 × 100 + 2 × 10 + 9 × 1

8 a.

8 × 1,000,000 + 1 × 100,000 + 5 × 1,000 + 8 × 100 + 5 × 10 + 7 × 1

9 a.

6 × 10,000 + 8 × 1,000 + 5 × 100 + 9 × 10 + 4 × 1

10 a.

3 × 1,000,000 + 4 × 1,000 + 4 × 100 + 4 × 10 + 8 × 1

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