What is the highest mass measurement among the following options?

The highest mass measurement among the options is 10 kilograms. To understand why this is the correct answer, it helps to recognize that 1 kilogram is equal to 1,000 grams. Thus, when converting all the other options into kilograms for comparison:

• 1 kg is simply 1 kg,
• 100 grams is 0.1 kg,
• 1,000 grams is exactly 1 kg.

When we look at the 10 kilograms option, it significantly surpasses the other measurements when they are converted into the same unit. Since 10 kg is ten times larger than 1 kg, it stands as the highest mass measurement among the provided choices. In summary, 10 kilograms represents the largest quantity of mass, making it the correct answer.