8 tens = _?_ones.
A)
8
80
C)
800
D)
8000

Just tell me how to set up the equation.

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .

Ineed this done soon! estimate the volume of the football. compare the football to the table tennis balls by dragging the football over the table tennis balls to asses the size