$\"\"$

The word $\"\"$ product $\"\"$ indicates multiplication operation and its symbol is $\"\"$ .

The word $\"\"$ is greater than $\"\"$ indicates the symbol is $\"\"$ .

The word $\"\"$ no more than $\"\"$ indicates less than or equal and its symbol is $\"\"$ .

The word $\"\"$ The product of 8 and a number k $\"\"$ indicates the expression $\"\"$ .

The word $\"\"$ The product of 8 and a number k is greater than 4 $\"\"$ indicates the expression $\"\"$ .

The word $\"\"$ The product of 8 and a number k is no more than 16 $\"\"$ indicates the expression $\"\"$ .

The word $\"\"$ The product of 8 and a number k is greater than 4 and no more than 16 $\"\"$ indicates the expression $\"\"$ . $\"\"$

The algebraic expression is $\"\"$ .