sava
439 + 71 = 510
The ballpark estimate for 439 plus 71 can be simplified by rounding both numbers. Rounding 439 to 440 and 71 to 70 gives us 440 plus 70, which equals 510. Therefore, the ballpark estimate for 439 plus 71 is approximately 510.
520.
439 + 71 = 439 + 1 + 70 = 440 + 70 = 510. Who needs a ball park estimate when the exact answer is just as easy to find?
nothing at all
210
439 + 746 = 1185
87794 + 39357 + 180 + 439 = 127,770
A:879
71 plus 23 plus 49 is equal to 143.
680 + 440 = 1120
The sum of 7 plus 71 is 77.