Question

Find the product using the suitable properties:

1. (-17) × (-39)

2. 15 × (-20) × (-4) × (-10)

3. 36 × (-49) + (-49) × (-36)

4. 525 × (-25) + (-525) × 65​

Answer 1

Answer:

4

Step-by-step explanation:

this is the product of 5 so all equation is divided by 5 .so it is situable properties of 5 divued by 525×(-25)+(-525)×65