What is 3\times (-9)^2 ?

The solution to 3\times (-9)^2 is 243

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3\times (-9)^2

3 \cdot (- 9)^{2}

243

Solution steps

3 (- 9)^{2}

Follow the PEMDAS order of operations

Calculate exponents

(- 9)^{2} : 81

(- 9)^{2}

Apply exponent rule:

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

n

is even

(- 9)^{2} = 9^{2} = 81

= 81

= 3 \cdot 81

Multiply and divide (left to right)

3 \cdot 81 : 243

3 \cdot 81

3 \cdot 81 = 243

= 243

= 243

(- 7 \div 1) (- 8 \div 7)

3 - 2 + 5 + 3 + 2 + 7 + 1 - 2

4 (10)^{3}

4 (10)^{2}

(4 - 2)^{0}