Question

in their investigation they measure the time taken fors
teaspoons of salt to dissolve in 400 ml of water. They carry out
their investigation 3 times and record their results
Workout the mean time for each water temperature,
Water temperat
Time ( es) for the five
teaspoons of salt to totally dissolve
Test
12
20
160
Why did they carry out each test three times?​

Answer 1

Answer:to make sure the result be more accurate

Explanation:calculate the average from the 3 times' test to get the final result.