The solution to -1/2 (2)^3 is -4

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-1/2 (2)^3

Solution

- \frac{1}{2} (2)^{3}

- 4

Solution steps

- \frac{1}{2} (2)^{3}

Follow the PEMDAS order of operations

Calculate exponents

(2)^{3} : 8

(2)^{3}

(2)^{3} = 8

= 8

= - \frac{1}{2} \cdot 8

Multiply and divide (left to right)

- \frac{1}{2} \cdot 8 : - 4

- \frac{1}{2} \cdot 8

Convert element to fraction:

8 = \frac{8}{1}

= - \frac{1}{2} \cdot \frac{8}{1}

Apply the fraction rule:

\frac{a}{b} \cdot \frac{c}{d} = \frac{a \cdot c}{b \cdot d}

\frac{1}{2} \cdot \frac{8}{1} = \frac{1 \cdot 8}{2 \cdot 1}

= - \frac{1 \cdot 8}{2 \cdot 1}

\frac{1 \cdot 8}{2 \cdot 1} = 4

\frac{1 \cdot 8}{2 \cdot 1}

\frac{1 \cdot 8}{2 \cdot 1} = \frac{8}{2}

\frac{1 \cdot 8}{2 \cdot 1}

Multiply the numbers:

1 \cdot 8 = 8

= \frac{8}{2 \cdot 1}

Multiply the numbers:

2 \cdot 1 = 2

= \frac{8}{2}

= \frac{8}{2}

Divide the numbers:

\frac{8}{2} = 4

= 4

= - 4

= - 4

(2^{2} - 2)^{2}

455 - 730 - 20

(- 2 - 8) 5 + 4

4 + (- 3) + 2 - (- 3) - (3) + 4

+ 4 - 18 \div 3 - 26