Question

Simplify each expression.

70. $[19-(8-1\left)\right]÷3$

Short answer

The simple form of the given expression is $9$.

Step-by-step solution

Step-1 – Order of operations

To evaluate any expression involving more than one operation, follow the below order of operations:

• First evaluate expressions inside grouping symbols like parentheses$()$or brackets$[]$.
• Evaluate the exponents.
• Perform Multiplication and division from left to right.

Perform addition and subtraction from left to right

Step 2- To find the simple form.

From the given information

$\begin{array}{l}[19-(8-1\left)\right]÷3\\ =[19-7]÷3\\ =12÷3\\ =9\end{array}$

Step 3- Conclusion

Therefore, the $[19-(8-1\left)\right]÷3=9$.

Hence, the simple form of the given expression is $9$.