Perform the following mathematical operation, and
report the answer to the correct number of significant figures.

43.6 = 21.2 = [?]

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

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