Its a common technique for remembering the order of operations. The abbreviation pemdas is turned into the phrase "Please excuse my Dear Aunt Sally". It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction.
Where is the photo u forgot it
3.6 km/hr
10s= 1/6 min=1/360hr
acceleration=100/(1/360)= 36,000 km/h^2
im/s+(0.001)km/(1/3600)s= 3.6km/hr
