Which kind of data structure arrays it is a linear or nonlinear

A 3000 km long trunk operates at 1536 Mbps and is used to transmit 64 byte frames and uses SWP. If the speed is 6 usec/km, how many bits should the sequence numbers be?  Solve it correctly , else i will downvote.

When multiplying two arrays in Matlab using the rules of linear algebra the number of columns in the first array must equal the number of rows in the second array the number of rows in the first array must equal the number of columns in the second array you need a period in front of the multiplication sign the arrays must have the exact same size and shape When combining two arrays in Matlab using the command A*B both arrays must be square the arrays must have the exact same size and shape the result is usually not the same as B*A all of the above   When multiplying two vectors using the command A*B if A is a row vector then B must be a column vector A and B must both be row vectors A and B must both be column vectors please help with these multiple choice question

Urite a Python program to make an 3D array which is filled by random entries which is contains 3 of 3X3 array.