What is -2(-9\times (-10)) ?

The solution to -2(-9\times (-10)) is -180

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-2(-9\times (-10))

- 2 (- 9 \cdot (- 10))

- 180

Solution steps

- 2 (- 9 (- 10))

Follow the PEMDAS order of operations

Calculate within parentheses

(- 9 \cdot (- 10)) : 90

- 9 (- 10)

Apply rule

- a \cdot (- b) = a \cdot b

- 9 (- 10) = 9 \cdot 10 = 90

= 90

= - 2 \cdot 90

Multiply and divide (left to right)

- 2 \cdot 90 : - 180

- 2 \cdot 90

- 2 \cdot 90 = - 180

= - 180

= - 180

\frac{1}{2} + 3 - \frac{3}{4} (\frac{5}{2} - 1)

49 \div 7 + 12 \div 5 - 48 \div 8

(36 \div 3 + 3) \div 5 + 4 \cdot 8 - 10

4 7^{2} - 3 7^{2}

4 - 15 \times 4 + 7 \times 8 + 48 \times 12 - 3