Answer:
- 3 √10 × -2 √5 = 42 .9
Step-by-step explanation:
- 3 √10 × -2 √5
= ( -3) ( -2) × √10 × √5
= 6 √50
= 6 × 7.15
∴ - 3 √10 × -2 √5 = 6 × 7.15
= 42.9
so - 3 √10 × -2 √5 = 42 .9
