/ˈdes.ə.məl/
based on or counted in tens or tenths 十进位的；小数的
the decimal system
十进制
relating to or expressed in a system of counting based on the number ten:
to two, three, etc. decimal places If you calculate the result to two decimal places (= give two numbers after the decimal point, as in 3.65), that should minimize any possible errors.
Give your answers correct to three decimal places.