Question

(
$- 9) \times 5 \times ( - 1) \times 1$
​

Answer 1

Answer:

$= \: - 9 \times 5 \times ( - 1) \times 1$

$= \: - 45 \times ( - 1) \times 1$

$= \: - 45 \times 1$

$= \: - 45$

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Answer 2

Step-by-step explanation:

( -9) × (5) × ( -1) × 1

45

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