1. The problem statement, all variables and given/known data The problem asks us to find deceleration from 60km/h to 0km/h in 1,2 seconds. 2. Relevant equations The speed formulas 3. The attempt at a solution I know how to apply the formula. However, in the problem, it is written 0km/h. How many significant digits is that? How many significant digits should i have in this problem for the final result?