B because the 2 is in the hundredths place and then you look behind the 2 which is a 5.
If its five or more you go up and 4 or less you go down, which means that you add one to the 2 which is 3 and you get rid of anything behind the 3 that was the originally.
1.63 The 1 is in the ones place The 6 is in the Tenths The 2 is in the Hundredths place The 5 is in the thousandths place When rounding, you take the number to the right of the number to determine if you’re rounding up or down. If the number is 0,1,2,3 or 4 you round down. If it’s 5,6,7,8 or 9 you round up. In this case we round up
and
? a itself right, so if you divide a by a you get 1, if you divide
by n you get