Answer:
-241920
Step-by-step explanation:
negative × negative = positive
10 × 4 = 40
40 × -1 = -40
-40 × 7 = -280
-280 × 2 = -560
-560 × 6 = -3360
-3360 × 4 = -13440
-13440 × 3 = -40320
-40320 × 2 = -80640
-80640 × 3 = -241920
