Answer:0.667
Explanation:
first you need to change 2/3 to a decimal this will be 0.666666666... then you count from the 1st number after the decimal point three times since your changing it to three decimal places after that you consider the 4th number and since it is after 5 you add one to the third number therefore you get 0.667 ensure you answer only has 3 numbers after the decimal point