Question

Highlight the error in which the student made and correct it underneath in a different color.

Answer 1

Here it is given that,

$\implies \boxed{28 \div 2^{2} - 36 \div 3^{2} }$

Solution :

$\implies \tt28 \div 4 - 36 \div 9$

$\implies \tt7 - 36 \div 9$

$\implies \tt7 -4$

$\implies \tt3$

• Hence, the answer is 3

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More Information :

Here we have used BODMAS rule..

• B = Bracket
• O = of
• D = Division
• M = Multiplication
• A = Addition
• S = Subtraction