Collins Chinese Dictionary Plus (3rd edition), 2011:
decimal [ˈdɛsɪməl]
I adj
[+ system, currency] 十进(進)位的 shíjìnwèi de
II n
[c]
小数(數) xiǎoshù [个 gè]
- to three decimal places
保留到小数(數)点(點)后(後)3位 bǎoliú dào xiǎoshùdiǎn hòu sān wèi