Given the following matrices A and B, find an elementary matrix E such that B = EA: You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. A = -7 -7 8 -3 -1 1-8 10 3 3 4 10 -6 0 -9 6 E = 000 000 000 28 28 -32 12 -1 1 -8 10 3 3 4 10 -6 0 -9 6

can you amswer d,e?

A King in ancient times agreed to reward the inventor of chess with one grain of wheat on the first of the 64 squares of a chessboard. On the second square, the King would place two grains of​ wheat, on the third​ square, four grains of​ wheat, and on the fourth square eight grains of wheat. If the amount of wheat is doubled in this way on each of the remaining​ squares, how many grains of wheat should be placed on a square 16​? Also, find the total number of grains of wheat on the board at this time and their total weight in pounds.​ (Assume that each grain of wheat weighs​ 1/7000 pounds.)