(i) [(-8) × (-3)] × (-4) is not equal to
(a) (-8) × [(-3) × (-4) (c) (-3) × [(-8) × (-4)]
(b) (c) (-8) × [(-4) × (-3) (d) [(-8)×(-3)] – [(-8)×(-4)]
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Class 7
>>Maths
>>Integers
>>Multiplication of Integers and Its Properties
>>[( - 8) × ( - 3)] × ( - 4) ...
Question

[(−8)×(−3)]×(−4) is not equal to
A
(−8)×[(−3)×(−4)]
B
[(−8)×(−4)]×(−3)
C
[(−3)×(−8)]×(−4)
D
(−8)×(−3)−(−8)×(−4)
Medium
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Solution

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Correct option is
D
(−8)×(−3)−(−8)×(−4)
Option (d) is correct.
[(−8)×(−3)]×(−4)=(−8)×[(−3)×(−4)]
[(−8)×(−3)]×(−4)=[(−8)×(−4)]×(−3)[(−8)×(−3)]×(−4)=[(−3)×(−8)]×(−4)
But,
[(−8)×(−3)]×(−4)=(−8)×(−3)−(−8)×(−4)
Therefore, option(d) is not correct
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