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Question
Find the product, using suitable properties:
15 × (− 25) × (− 4) × (− 10)
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Solution
15 × (−25) × (−4) × (−10)
= 15 × [(−25) × (−4)] × (−10)
= 15 × [100] × (−10)
= 15 × (−1000) = −15000
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