Question

Using convenient grouping evaluate :
1. (-5) x 19 x (-60)
2. 25 x 31 x (-4 )
3. 97 x 25 x (-2) x (-4)
4. (-2) x 4896 x (-5)​

Answer 1

Answer:1)5700 2)-3100 3)19400 4)48960

Step-by-step explanation:

1.(-5×-60)×19 =300×19=5700

2.(25×-4)×31 =-100×31 =-3100

3.{(25×-4)×-2} ×97 = 200×97 =19400

4.4896×(-5×-2) = 4896×10 =48960

Answer 2

Answer:

5700

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