Question

while billy is on vacation, he determines that he is 1320 km from home. is it more meaningful to report this distance as 1320 km or 1.32×10^9 mm? 1320 km is more meaningful. 1.32×10^9 mm is more meaningful.

Explanation:

Step1: Consider practicality of units

In daily - life and general communication about long - distance travel, kilometers are a more commonly used and intuitive unit for distances like the one from home during a vacation.

Step2: Analyze the nature of millimeters

Millimeters are very small units. Reporting a long distance in millimeters makes the number large and less intuitive for quick understanding of the distance.

Answer:

1320 km is more meaningful.