The 6 in the tens place is the value of the 6 in the tenths place?

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.