PDF chapter test TRY NOW

Express the following in exponential form.
 
(i) 6 \times 6 \times 6 \times 6 =
 
(ii) t \times t =
 
(iii) 5 \times 5 \times 7 \times 7 \times 7 =
 
(iv) 2 \times 2 \times a \times a =
Answer variants:
t^2
5^2 \times 7^3
4^6
2t
6^4
2^2 \times a^2
2a^2
(5 \times 7)^2