Given the transition matrix p and the? initial-state matrix upper s 0s0 ? below, find upper p superscript 4p4 and use upper p superscript 4p4 to find upper s 4s4. a b upper ppequals= a b left bracket start 2 by 2 matrix 1st row 1st column 0.8 2nd column 0.2 2nd row 1st column 0.3 2nd column 0.7 endmatrix right bracket 0.8 0.2 0.3 0.7 ? ; upper s 0s0equals= left bracket start 1 by 2 matrix 1st row 1st column 0.1 2nd column 0.9 endmatrix right bracket