8. Find the product using suitable rearrangement.
(g) (-2) X 3 = 3 X (___)
(a) (-18) X (-10) 9 (b) (-20) X 7 X (-5)
(c) (-1) (-4) (-6) (-5)
(d) (-40) x 4 x 125
9. Verify the following:
(a) 10 x {8-(-3)} = 10 X 8 - 10 X (-3)
(b) (-25) * {(- 9)-(-4)} = (-25) * (- 9)
- (-25) X (-4)
ers
(c) (-40) * {43 + (-3)} = {(-40) x 43}
+ {(-40) X (-3)
(d) 28 x {10 + (-7)} = {28 x 10) + {28 X (-7)}
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Answer:
(-2) X 3 = 3 X (__-2_)
(-18) X (-10) 9 = 1620
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