828
203
820
830
828 rounded to one significant figure is 800
800
It is 800.
It is 800
It is 830.
There are 25.4 millimetres in one inch. Therefore, rounded to two decimal places, 828 millimetres is equal to 828/25.4 = 32.60 inches.
There are 0.0254 metres in one inch. Therefore, rounded to two decimal places, 828 metres is equal to 828/0.0254 = 32598.43 inches.
734, 828, or 243. It can be any 3 digit number, as long as there are no fractions or decimals.