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USE CODE: SELF10

Chapter 2: Powers Exercise – 2.1

Question: 1

Express each of the following as a rational number of the form p/q, where p and q are integers and q ≠ 0:

(i) 2−3 

 (ii) (−4)-2

(iii) (1/3−2)

(iv) (1/2)-5

(v) (2/3)-2

Solution:

Question: 2

Find the values of the following:

Solution:

Question: 3

Find the value of each of the following:

Solution:

Question: 4

Simplify:

Solution:

Question: 5

Simplify:

Solution:

Question: 6

By what number should 5-1 be multiplies so that the product may be equal to -7-1?

Solution:

Question: 8

By what number should (-15)-1 be multiplies so that the product may be equal to (-5)-1.

Solution:

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