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Integers | Integers Exercise 1B

Question 22

(-3) ×(-3) ×(-3) × … 6 times

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Solution:-

Using the rule for multiplication of integers.

The above question can be written as,

= {(-3) ×(-3) ×(-3) ×(-3) ×(-3) ×(-3)}

= {(-3×-3) × (-3×-3) × (-3×-3)} … [∵(− × −= +)]

= {9×9×9}

= {(9×9) ×9)

= {81×9)

= 729

This can also be written as,

= (-3)6

= 729

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

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Question 22

(-3) ×(-3) ×(-3) × … 6 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.

The above question can be written as,

= {(-3) ×(-3) ×(-3) ×(-3) ×(-3) ×(-3)}

= {(-3×-3) × (-3×-3) × (-3×-3)} … [∵(− × −= +)]

= {9×9×9}

= {(9×9) ×9)

= {81×9)

= 729

This can also be written as,

= (-3)6

= 729

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

subject-cta
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