decimal points homework please help my son

Question

round the following numbers to 1 decimal point   5.47....... 78125...... 91.34........ 63.8449........  round the following numbers to 2 decimal points 8.353.........76.6378......... 78.5643.......... 43.4648.......... round the following numbers to 3 decimal points 6.8736...........76.6378......... 7.564532...........4.238475.............

Answer 1

round1(5.47)=5.5

(91.34)=91.3

(8.353)=8.4

(76.63)=76.6

(78.56)=78.6

Answer 2

5.5,781.3,91.3,63.8,8.35,76.64,78.56,43.46,6.874,76.638,7.565,4.238                  There you go!

Answer 3

78.6