Express the following in exponential form: i2×2×2×a×a ii a×a×a×a×b×b×c×c×c×c×c iii a×a×a×-23×-23

Express the following in exponential form: $(i) 2 \times 2 \times 2 \times a \times a (ii) a \times a \times a \times a \times b \times b \times c \times c \times c \times c \times c (iii) a \times a \times a \times (\frac{- 2}{3}) \times (\frac{- 2}{3})$

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