Italian numbers use the period with thousands and the comma for decimals. For example: 1.000 mille one-thousand  (in English you would write 1,000) 1,5 uno virgola cinque one dot five  (in English you would write 1.5)

Round 9.999 to 1 decimal places. Answer: 10.0 (as 9.999 is closer to 10.0 than to 9.9);