What is (-1)(-9)(-1)^{12} ?

The solution to (-1)(-9)(-1)^{12} is 9

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(-1)(-9)(-1)^{12}

(- 1) (- 9) (- 1)^{12}

9

Solution steps

(- 1) (- 9) (- 1)^{12}

Follow the PEMDAS order of operations

Calculate exponents

(- 1)^{12} : 1

(- 1)^{12}

Apply exponent rule:

(- a)^{n} = a^{n},

n

is even

(- 1)^{12} = 1^{12} = 1

= 1

= (- 1) (- 9) \cdot 1

Multiply and divide (left to right)

(- 1) (- 9) \cdot 1 : 9

(- 1) (- 9) \cdot 1

Apply rule

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

(- 1) (- 9) = 1 \cdot 9 = 9

= 9 \cdot 1

9 \cdot 1 = 9

= 9

= 9

1 0^{2} \div 25 + 4 \times 7^{2} \div 1 4^{1} - 12 + 2

- 3^{2} + 6 (- 3)

3 - 7 \times 2 - 5 \times 9 + 4 \times 6 \div 2 - 3

- 2 (- 3)^{2} - 5 (- 3) + 7

5 \times \frac{1}{5} + \frac{1}{2}