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Exercise 8.1

2. Evaluate the following products without multiplying directly.

1. Name the property under multiplication used in each of the following.

(i)−45x1=1x−45=−45 : .

(ii)−1317x−27=−27x−1317 :

(iii)−1929x29−19=1 : .

2. Tell what property allows you to compute `1/3x(6x4/3)as(1/3x6)x4/3`.

It is in the form of a x (bxc) = (axb) x c.

Hence It is a .

3. The product of two rational numbers is always a .

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