What is 2\times (-5)\times (-9) ?

The solution to 2\times (-5)\times (-9) is 90

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2\times (-5)\times (-9)

2 \cdot (- 5) \cdot (- 9)

90

Solution steps

2 (- 5) (- 9)

Follow the PEMDAS order of operations

Multiply and divide (left to right)

Apply rule

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

2 (- 5) = - 2 \cdot 5 = - 10

= - 10 (- 9)

Apply rule

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

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

= 90

- 20 + 15 - 17 + 18 - 25 + 15 - 25

9 - 5 \times 8 + (54 \div 6 - 5) + 3 - 12

- (- 525) - [(+ 52) + [(- 8) + (+ 12) + (- 43)]]

- 2 (2) + 10

(3^{3} + 10) - 2