(i) 6×6×6×6=646 \times 6 \times 6 \times 6 = 646×6×6×6=64
(ii) t×t=t2t \times t= t ^2t×t=t2
(iii) b×b×b×b=b4b \times b \times b \times b = b^ 4b×b×b×b=b4
(iv) 5×5×7×7×7=52×735 \times 5 \times 7 \times 7 \times 7 = 5^2 \times 7^35×5×7×7×7=52×73
(v) 2×2×a×a=22×a22 \times 2 \times a \times a = 2^2 \times a ^22×2×a×a=22×a2
(vi) a×a×a×c×c×c×c×d=a3c4da \times a \times a \times c \times c \times c \times c \times d = a^ 3 c ^4 da×a×a×c×c×c×c×d=a3c4d