Boy Scouts spent 10/12 hour doing their daily exercises. they only used 1/4 hour in hiking. how much time did they use for other body exercises?​

What is the exact area of a circle with a diameter of 50 centimeters? a.87.9 square centimeters b.379.9 square centimeters c.1962.5 square centimeters d.4923.5 square centimeters

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

How many significant figures are there in the number 10.76?