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RS Aggarwal Solutions Class 7 Mathematics Solutions for Integers Exercise 1B in Chapter 1 - Integers

Question 4 Integers Exercise 1B

Multiply:

-105 by -8

Answer:

Solution:-

Using the rule for multiplication of integers.

The above question can be written as,

=-105×-8 … [∵(− × −= +)

=840

(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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