Afourth grade class at a local elementary answered 1,209 multiplication fact problems last month. if there were a total of 4 classes, how many multiplication facts did the 4 classes answer?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

Complete the steps to find 4.830 ÷ 5

Can someone, me with this.i really need with this