Which of the following is the equivalence in pounds for 50 kg? (2.2 lb =1 kg)
A.
110 lb
B.
220 lb
C.
52.2 lb
D.
22.7 lb
Final answer:
The equivalence of 50 kg is 110 pounds when using the conversion factor that 1 kg equals 2.2 lb. Multiplying 50 kg by 2.2 lb/kg results in 110 lb, which is answer option a.
Explanation:
The equivalence in pounds for 50 kg can be calculated using the conversion factor that 1 kg equals 2.2 lb. To find this equivalence, one would simply multiply the number of kilograms by the number of pounds that are equivalent to one kilogram:
Multiply the amount in kilograms by the conversion factor (2.2 lb = 1 kg).
50 kg × 2.2 lb/kg = 110 lb.
Therefore, the answer is 110 lb which corresponds to option a.
It’s important to note that the significant figures in the answer are dictated by the least number of significant figures in the given data, which in this case, is two significant figures from the conversion factor since ’50 kg’ is an exact number.