Using properties of multiplication , find 1. (-78) ×49
2. 56×(-19)+56×(-1)
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11
Answer:
1.-3822 and 2. 1008
Step-by-step explanation:
1.(-78)×49
-3822
the sign will be of minus
2.56×(-19)+56×(-1)
=56×{-19+(-1)}
=56×(-19-1)
=56×18
=1008
using distributive law of multiplication over addition
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