round 6.732 to 2 decimal places round 7.823 to 1 decimal place round 9.321 to 2 decimal places round 2.678 to 1…

round 6.732 to 2 decimal places round 7.823 to 1 decimal place round 9.321 to 2 decimal places round 2.678 to 1 decimal place round 40.399 to 3 decimal place