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Let's solve each of the decimal multiplication problems step by step. I'll go through each one, showing the process and final answer.

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1. 3.75 × 2

- Multiply as if they were whole numbers:
$ 375 × 2 = 750 $
- Count decimal places: 3.75 has 2 decimal places.
- Place the decimal point:
$ 7.50 $ → which is 7.5

✔ Answer: 7.5

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2. 5.29 × 5

- $ 529 × 5 = 2645 $
- 5.29 has 2 decimal places
- So, $ 26.45 $

✔ Answer: 26.45

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3. 6.24 × 7

- $ 624 × 7 = 4368 $
- 6.24 has 2 decimal places
- $ 43.68 $

✔ Answer: 43.68

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4. 8.50 × 3

- $ 850 × 3 = 2550 $
- 8.50 has 2 decimal places
- $ 25.50 $ → simplifies to 25.5

✔ Answer: 25.5

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5. 7.49 × 8

- $ 749 × 8 = 5992 $
- 7.49 has 2 decimal places
- $ 59.92 $

✔ Answer: 59.92

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6. 8.71 × 4

- $ 871 × 4 = 3484 $
- 8.71 has 2 decimal places
- $ 34.84 $

✔ Answer: 34.84

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7. 6.25 × 9

- $ 625 × 9 = 5625 $
- 6.25 has 2 decimal places
- $ 56.25 $

✔ Answer: 56.25

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8. 9.9 × 1.5

- First, ignore decimals: $ 99 × 15 = 1485 $
- Count decimal places: 9.9 → 1, 1.5 → 1 → total 2
- Place decimal: $ 14.85 $

✔ Answer: 14.85

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9. 4.7 × 3.6

- $ 47 × 36 = 1692 $
- 4.7 → 1 decimal, 3.6 → 1 decimal → total 2
- $ 16.92 $

✔ Answer: 16.92

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10. 6.5 × 3.8

- $ 65 × 38 = 2470 $
- 6.5 → 1 decimal, 3.8 → 1 decimal → total 2
- $ 24.70 $ → 24.7

✔ Answer: 24.7

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11. 7.5 × 4.4

- $ 75 × 44 = 3300 $
- 7.5 → 1 decimal, 4.4 → 1 decimal → total 2
- $ 33.00 $ → 33.0 or just 33

✔ Answer: 33

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12. 7.2 × 3.8

- $ 72 × 38 = 2736 $
- 7.2 → 1 decimal, 3.8 → 1 decimal → total 2
- $ 27.36 $

✔ Answer: 27.36

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13. 6.4 × 7.1

- $ 64 × 71 = 4544 $
- 6.4 → 1 decimal, 7.1 → 1 decimal → total 2
- $ 45.44 $

✔ Answer: 45.44

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14. 1.8 × 9.4

- $ 18 × 94 = 1692 $
- 1.8 → 1 decimal, 9.4 → 1 decimal → total 2
- $ 16.92 $

✔ Answer: 16.92

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15. 5.6 × 2.5

- $ 56 × 25 = 1400 $
- 5.6 → 1 decimal, 2.5 → 1 decimal → total 2
- $ 14.00 $ → 14

✔ Answer: 14

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✔ Final Answers:

| Problem | Answer |
|--------|--------|
| 1. 3.75 × 2 | 7.5 |
| 2. 5.29 × 5 | 26.45 |
| 3. 6.24 × 7 | 43.68 |
| 4. 8.50 × 3 | 25.5 |
| 5. 7.49 × 8 | 59.92 |
| 6. 8.71 × 4 | 34.84 |
| 7. 6.25 × 9 | 56.25 |
| 8. 9.9 × 1.5 | 14.85 |
| 9. 4.7 × 3.6 | 16.92 |
| 10. 6.5 × 3.8 | 24.7 |
| 11. 7.5 × 4.4 | 33 |
| 12. 7.2 × 3.8 | 27.36 |
| 13. 6.4 × 7.1 | 45.44 |
| 14. 1.8 × 9.4 | 16.92 |
| 15. 5.6 × 2.5 | 14 |

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🔍 Tips for Multiplying Decimals:

1. Ignore decimals and multiply as whole numbers.
2. Count total number of decimal places in both factors.
3. Place the decimal point in the product so that it has the same number of decimal places.

Let me know if you'd like a printable version or explanation for any specific problem!