Q.9 Replace the blank with an integer to make it a true statement.
(a) (-3) × __ = 27
(b) 5 × __ = -35
(c) __ × (-8) = -56
(d) __ × (-12) = 132


Answer :

(a) (-3) × __ = 27 = (-3) × (-9) = 27 [ (-) × (-) = (+)]
(b) 5 × __ = -35 = 5 × (-7) = -35 [(+) × (-) = (-)]
(c) __ × (-8) = -56 = 7 × (-8) = -56 [ (+) × (-) = (-)]
(d) __ × (-12) = 132 = (-11) × (-12) = 132 [ (-) × (-) = (+)]

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