The solution to (7-8)*2^2 is -4

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(7-8)*2^2

Solution

(7 - 8) \cdot 2^{2}

- 4

Solution steps

(7 - 8) \cdot 2^{2}

Follow the PEMDAS order of operations

Calculate within parentheses

(7 - 8) : - 1

7 - 8

7 - 8 = - 1

= - 1

= - 1 \cdot 2^{2}

Calculate exponents

2^{2} : 4

2^{2}

2^{2} = 4

= 4

= - 1 \cdot 4

Multiply and divide (left to right)

- 1 \cdot 4 : - 4

- 1 \cdot 4

- 1 \cdot 4 = - 4

= - 4

= - 4

5^{2} - 3 (4 + 2)

- 3 (3)^{2} + 4 (3)

\frac{1}{3} 21 - 1 - \frac{1}{2} 12

32 \times 5 + (28 \div 7) \div 5 \times 71 (58 - 18)

30 \div 3 \times (5 - 2)