Arrange the numbers in column. Round off the numbers to the nearest hundredths then find the estimated sum and difference.
1.)36.561 + 18.916 + 55.411 = N

2.)Php.385.159 + Php.37.35 + Php.627.345 = N

3.)8.841 – 1.149 = N

4.)639.57 – 422.40 = N

5.)211.16 + 132.136= N​