Question

express 19.4 kilograms in ounces. round the answer to 3 significant figures. if the answer is too large or small put your answer into standard scientific notation. 1.00 kg = 2.205 lb 1.00 lb = 16.0 oz answer: check

Explanation:

Step1: Convert kilograms to pounds

We know that 1 kg = 2.205 lb. So for 19.4 kg, we multiply by the conversion - factor: $19.4\times2.205 = 19.4\times\frac{2.205}{1}=42.777$ lb.

Step2: Convert pounds to ounces

Since 1 lb = 16.0 oz, we multiply the number of pounds by 16.0. So, $42.777\times16.0 = 684.432$ oz.

Step3: Round to 3 significant figures

Rounding 684.432 to 3 significant figures gives 684 oz.

Answer:

684 oz