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Integers | Integers Exercise 1B

Question 18

(-5) ×(-8) ×(-3)

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Solution:-

Using the rule for multiplication of integers.

In this question, we have to multiply the first two integers and then from the answer that we get

is multiplied with other integers,

= {(-5 ×-8) × (-3)} … [∵(− × −= +)]

= {40 ×(-3)} … [∵ (+ × −= −)]

= -120

(In multiplication we have to multiply the sign of the integers also and then assign the obtained

sign to the answer)

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Our top 5% students will be awarded a special scholarship to Lido.

subject-cta

Question 18

(-5) ×(-8) ×(-3)

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

Solution:-

Using the rule for multiplication of integers.

In this question, we have to multiply the first two integers and then from the answer that we get

is multiplied with other integers,

= {(-5 ×-8) × (-3)} … [∵(− × −= +)]

= {40 ×(-3)} … [∵ (+ × −= −)]

= -120

(In multiplication we have to multiply the sign of the integers also and then assign the obtained

sign to the answer)

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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