What is the rounding or compatible numbers to estimate the sum of 87 + 34?

87 + 34
87 rounded = 90
34 rounded = 35
90 + 35 = 125
or
87 rounded = 90
34 rounded = 30
90 + 30 = 120
when rounding you are only getting an estimate so it is not going to be exact however you do it.

Answered by ogpits | 2024-06-10

Answer: sum = 1200. ;

Answered by RenatoMattice | 2024-06-11

To estimate the sum of 87 and 34, you can round 87 to 90 and 34 to 30, resulting in an estimated sum of 120. This is achieved through either rounding or using compatible numbers. Thus, the estimated sum is approximately 120.
;

Answered by RenatoMattice | 2024-09-30