Question 367378
{{{(matrix(2,1,10,0))*(matrix(2,1,8,5))+ (matrix(2,1,10,1))*(matrix(2,1,8,4))}}}+...+{{{(matrix(2,1,10,4))*(matrix(2,1,8,1))+ 
(matrix(2,1,10,5))*(matrix(2,1,8,0))}}}.
Now just use your scientific calculator to evaluate. 
***You still can compute without a scientific calculator.  Haven't you studied the DEFINITION of the symbols above? You got no business studying counting if you don't have even a regular non-scientific calculator.  Have great day, dude...***