Final answer:
To convert 21.3 kilograms to pounds, multiply by the conversion factor 2.205 to get 46.9665 pounds. After rounding to the nearest tenth, 21.3 kg equals 47.0 lb.
Step-by-step explanation:
To convert the weight from kilograms to pounds, we use the conversion factor that 1 kilogram equals approximately 2.205 pounds. Therefore, to convert 21.3 kilograms to pounds, we multiply:
21.3 kg × 2.205 lb/kg = 46.9665 lb
Since we need to round the answer to the nearest tenth, we round 46.9665 to 47.0. Thus, 21.3 kilograms is equal to 47.0 pounds when rounded to the nearest tenth.