Question

[ 81 ÷ ( - 9 ) ] [ ( - 27 ) ÷ 3 ] simplify​

Answer 1

Answer:

$81$

Step-by-step explanation:

• Given expression : $\left [ 81\div(-9) \right ]\left [ (-27)\div3 \right ]$

• To solve the given expression, we need to use BODMAS rule

• BODMAS RULE:- It is a correct order to solve the mathematical expression.

• Where, B stands for bracket

• O stands for order of powers

• D stands for divide

• M stands for multiplication

• A stands for addition

• S stands for subtraction.

• According to BODMAS rule,

$\left [ 81\div(-9) \right ]\left [ (-27)\div3 \right ]$

$=\left [ -\frac{81}{9} \right ]\left [ -\frac{27}{3} \right ]$

$=\left [-9 \right ]\left [ -9 \right ]$

• On multiplying two negative numbers, we get a positive number

$=81$

Hence, the value of $\left [ 81\div(-9) \right ]\left [ (-27)\div3 \right ]$ is $81$.

Answer 2

• As per the data given in the question, we have to find the value of the expression.

         Given data:- $[81\div(-9)][(-27)\div3].$

         To find:- Value of given expression=?

         Solution:-

• To solve the above equation we will follow the BODMAS rule.

• It is the rule used to remember the order of operations to be followed while solving expressions in mathematics.

      Where,

         $B=brackets\\mathrm{O}=\text { order of powers or rules } \\\mathrm{D}=\text { Division } \\\mathrm{M}=\text { multiplication } \\\mathrm{A}=\text { addition } \\\mathrm{S}=\text { subtraction }\end{array}$

          Therefore

                $[81\div(-9)][(-27)\div3]\\=(-9)(-9)\\=81.$

 Hence we will get the value is $81.$