Find the product by suitable rearrangement:
(a) 2 × 1768 × 50 (b) 4 × 166 × 25
(c) 8 × 291 × 125 (d) 625 × 279 × 16
(e) 285 × 5 × 60 (f) 125 × 40 × 8 × 25
(a) 2 × 1768 × 50 = 2 × 50 × 1768
= 100 × 1768 = 176800
(b) 4 × 166 × 25 = 4 × 25 × 166
= 100 × 166 = 16600
(c) 8 × 291 × 125 = 8 × 125 × 291
= 1000 × 291 = 291000
(d) 625 × 279 × 16 = 625 × 16 × 279
= 10000 × 279 = 2790000
(e) 285 × 5 × 60 = 285 × 300 = 85500
(f) 125 × 40 × 8 × 25 = 125 × 8 × 40 × 25
= 1000 × 1000 = 1000000