Id-614 086 6181 psrd-1234 for fun​

An atom's diameter is about 0.1 nanometer (1×10-9m), and a human hair is about 1×10-3m. how many times greater is a human hair than an atom's diameter? sorry pushed wronf button but this is math

What are the 4 basic items that are traded throughout the world?

Your program should prompt the user for the dimensions of the two squares matrices, making sure that the user input is greater than or equal to 4.[ yes, an example would be a4x4matrix]2.if the above is not met, prompt the user for a new value.3.now generate random integernumbers to fill both matrices.4.display these two matrices on the screen.5.multiply the two matrices and display the result on the scre