Rs aggarwal solutions
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Integers | Integers Exercise 1B

Question 23

(-1) ×(-1) ×(-1) × … 200 times

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Solution:-

Using the rule for Multiplication of integers.

= (-1)200 = 1

(∵ Multiplying one with itself is 1 only. But, for deciding whether it is to be positive or negative by

the value of powers, if it is even number the answer should be in positive or negative when it is

odd number)

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

subject-cta

Question 23

(-1) ×(-1) ×(-1) × … 200 times

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.

= (-1)200 = 1

(∵ Multiplying one with itself is 1 only. But, for deciding whether it is to be positive or negative by

the value of powers, if it is even number the answer should be in positive or negative when it is

odd number)

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

subject-cta
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