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Integers | Integers Exercise 1B

Question 13

3× 𝟒 × (−𝟓)

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Solution:-

Using the rule for multiplication of integers.

In this question first, we have to multiply the integers with the same sign and then from the answer

that we get is multiplied with other integers of the different sign,

= (3× 4) × (−5)

= (12) ×(-5) … [∵ (+ × −= −)]

= -60

(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 13

3× 𝟒 × (−𝟓)

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 first, we have to multiply the integers with the same sign and then from the answer

that we get is multiplied with other integers of the different sign,

= (3× 4) × (−5)

= (12) ×(-5) … [∵ (+ × −= −)]

= -60

(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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