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Ncert solutions
Integers | Exercise 1.3
Question 16
Question 16
(–18) × (–5) × (– 4) = ________
By the rule of multiplication of integers,
= (-18) × (-5) × (-4)
First multiply the two numbers having same sign,
= 90 × -4 … [∵ (- × – = +)]
= – 360 … [∵ (+ × – = -)]
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