In the last three months, 672 boys and 839 girls were seen by doctors in the ER. 545 o those children were six-years-old or under. a. By rounding the values to the nearest ten, estimate the number of children seen in the ER.

To estimate the total number of children seen in the ER, you can round the boys and girls to the nearest ten. For the boys, 672 rounds to 670, and for the girls, 839 rounds to 840. Now, add them together: 670 + 840 equals 1,510. So, you can estimate that approximately 1,510 children were seen in the ER. Rounding can often simplify calculations and give quick insights, especially in scenarios like estimating healthcare needs. Just remember to adjust your logic based on context – sometimes rounding may bring about minor inaccuracies, but it's a fantastic tool for quick assessments!