Question: solve Calculate. State your answer using the rules for calculations with significant digits. 20. 4.5 cm + 3.77 cm 21. 3 ft x 2.7 ft

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Calculate. State your answer using the rules for calculations with significant digits. 20. 4.5 cm + 3.77 cm 21. 3 ft x 2.7 ft 22.6 m 22. 7.46 h + 8.25 h - 2.5 h 23 3.5 s 4.54 -1.31) cm 24. T(4.1 cm) 25. (5.0 - 2.25) h

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