What is 2^2{40-2[10-2(8-6)]} ?

The solution to 2^2{40-2[10-2(8-6)]} is 112

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2^2{40-2[10-2(8-6)]}

2^{2} {40 - 2 [10 - 2 (8 - 6)]}

112

Solution steps

2^{2} {40 - 2 [10 - 2 (8 - 6)]}

Follow the PEMDAS order of operations

Calculate within parentheses

{40 - 2 [10 - 2 (8 - 6)]} : 28

= 2^{2} \cdot 28

Calculate exponents

2^{2} : 4

= 4 \cdot 28

Multiply and divide (left to right)

4 \cdot 28 : 112

= 112

3 - 4 (- 1)

- 2 (4) - 1

5 (3 - 2) + 7 - 1 + 3 (- 2)

- 3 \times 0 - 1

12 + 8^{2} \div 4