Express the following in exponential form:
 
1. \(7 \times  7 \times 7 \times 7 =\) ii
 
2. \(y  \times y =\) ii
 
3. \(b \times b \times b \times b=\) ii
 
4. \(3 \times 3 \times 7 \times 7 \times 7 =\) ii×ii
 
5. \(3 \times 3 \times b \times b=\) ii×ii
 
6. \(b \times b \times b \times y \times y \times y \times y \times q =\) ii×ii×i