Find the product, using suitable properties:15 × (–25) × (– 4) × (–10)

Dear Student

The given equation is in the form of Commutative law of Multiplication.
=a × b=b ×a
Then,
= 15 × [(–25) × (–4)] × (–10)
= 15 × [100] × (–10)
= 15 × [-1000]
= - 15000

Thanks