Explain to Janet Dunn what the two most significant variances to analyze are and what one possible cause for each these variances may be

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

Which property is illustrated by the statement given below? raj raj.

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm