Question

Find the value of the following expressions by suitable regrouping,
(c) 20 ×(-125) × (-11) 8
(b) (-25) × (+49) 4
(a) 5 × (-73) × (-2)
(f) 25 x 15 x 2 x (-4)
(e) (-30) 8x5
(d) (-75) × (-7) x 4​

Answer 1

Answer:

a.20×(-125)×(-11)×8

=-2500×-88

=220000

b.(-25)×(+49)×4

=-1225×4

=-4900

c.5×(-73)×(-2)

=-365×-2

=730

d.25×15×2×(-4)

=375×-8

=-3000

e.(-30)×8×5

=-240×5

=-1200

f.(-75)×(-7)×4

=525×4

=2100

Answer 2

Answer:

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