Final answer:
Two inches is exactly 1 inch longer than 1 inch. Understanding scale factors and measurement conversions, like using 1 inch = 2.54 cm, is essential for accurate length measurements.
Step-by-step explanation:
2 inches is exactly 1 inch longer than 1 inch. If the length of one inch is considered as a base measurement, then two inches would be double that size. Therefore, the difference in length between 1 inch and 2 inches is simply the length of 1 inch again, which is precisely 1 inch longer.
Furthermore, understanding scale factors and converting measurements are important in solving problems related to scale models. For example, a scale factor is used to find equivalent measurements between different-sized objects that share the same proportions. Measurement conversions such as inches to centimeters (1 inch = 2.54 cm) also play a crucial role in accurately determining lengths in different units.