Question

how do you determine the weight of a spaceship? do you use an enormous scale? no. scientists use a process to figure out the weight of a spaceship. first, they find the weight of each part of the ship. then they add all the separate amounts. the total is the weight of the spaceship. complete the sentence with the correct word: scientists use a method to determine, or?, the overall weight of a spaceship. guess calculate display

Explanation:

The text describes scientists finding the weight of each part of a spaceship and then adding them together. This process is calculating. "Guess" is random and not based on a process, and "display" is just showing information, not determining the weight.

Answer:

calculate