question 7. evaluate the expression

[tex]\left(3^3 - 6 \cdot 8 \right) \div 7\\\\\\= \dfrac{27-48}{7}\\\\\\=-\dfrac{21}7\\\\\\=-3\\[/tex]
Answer:
-3
Step-by-step explanation:
Using PEMDAS :
Exponent (in Parentheses)
Multiplication (in Parentheses)
Subtraction (In Parentheses)
Division