57. How many significant figures are in each underlined measurement?
a. 60 s = 1 min
b. 47.70 g of copper
c. 1 km
1000 m
d. 25 computers
e. 9 innings in a baseball game
f. 0.0950 m of gold chain

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.