How many decimal places and significant figures does the number52.88 has?

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a. m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Select all the correct answers. which three statements about electromagnetic radiation are true?