52.8005 to five significant figures

Answer 1

106, because values of 5 and higher 5 are rounded upwards and values of less than 5 are rounded downwards. Obviously 5.5 is greater than 5 so it is rounded up to 6.

Answer 2

73.02 to 3 significant figures would be "73.0".

Answer 3

52.800 and you should leave the trailing zeros to show that the number is to 5 significant figures.

Answer 4

52.801

Answer 5

29.1

Answer 6

52.801