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Step-by-step explanation:
22. 12.9, 12.09, 12.9100, 12.9150
23. 4.01, 4.011, 4.101, 4.0011
24. 1.3, 1.03, 1.39, 1.309
25. 3.12, 3.21, 3.021, 3.121
Answer:
21. 0.7, 0.9, 1.07, 1.7, 1.9
22. 12.09, 12.9, 12.9100, 12.9150
23. 4.0011, 4.01, 4.011, 4.101
24. 1.03, 1.3, 1.309, 1.390
25. 3.021, 3.12, 3.121, 3.21
Step-by-step explanation: