Exam-style question
Try this first
A student calculates the speed of a car that travels 1500 meters in 30 seconds. Present the calculated value with appropriate units and powers of ten.
Model answer
What a good answer should say
- The speed of the car is 50 m/s, which can be presented as 5.0 x 10^1 m/s.
Explanation
Why this works
This question tests the ability to calculate speed and express it in standard form. The student uses the formula for speed, which is distance divided by time, and presents the answer in the correct format.
Common mistake
No common mistake is linked to this question yet.