21. What is 42.3649 rounded off to 2 decimal places? A. 42.36 B. 42.35 C. 42.34 D. 42.30 22. How is 4.35674 rounded to the nearest thousandths? A. 4.3565 B. 4.3564 C. 4.357 D. 4.358 23. What is 0.2487 rounded off to 3 decimal places? A. 0.248 B. 0.284 C. 0.247 D. 0.249 24. Which 3.345 to the nearest hundredths? A. 3.34 B. 3.25 C.3.35 D. 3.3 25. How is 3.7835 rounded to the nearest thousandths? A. 3.784 B. 3.785 C. 3.783 D. 3.78