What is ((-4)\times (-5))^2 ?

The solution to ((-4)\times (-5))^2 is 400

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((-4)\times (-5))^2

((- 4) \cdot (- 5))^{2}

400

Solution steps

((- 4) (- 5))^{2}

Follow the PEMDAS order of operations

Calculate within parentheses

((- 4) \cdot (- 5)) : 20

(- 4) (- 5)

Apply rule

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

(- 4) (- 5) = 4 \cdot 5 = 20

= 20

= 2 0^{2}

Calculate exponents

2 0^{2} : 400

2 0^{2}

2 0^{2} = 400

= 400

= 400

3/2 + 2/3 + 1/5

7 - \frac{1}{144} - \frac{1}{36}

2 + 6 \times (3 + 1)^{2}

(29 - 3 \cdot 5) \div 7 + 5

8 (4^{2}) + 2^{4}