15.(4.9) 11.(10.3) 10.(29.2)

1. $$15 \cdot (4 \cdot 9) = 15 \cdot 36 = 540$$


2. $$11 \cdot (10 \cdot 3) = 11 \cdot 30 = 330$$


3. $$10 \cdot (29 \cdot 2) = 10 \cdot 58 = 580$$

Ответ: 540; 330; 580