Question

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Answer 1

Answer:

For Question 3

Evaluate the following

(a) 7^9 × 7^-8

Ans 7^9 - ( - 8)

We directly take the index as the bases are same.

7^17

(b) 3^2 / 2^- 3 × 2^0 / 3^3

= 2^3 / 3^2 × 1 / 27

= 8 / 9 × 1 / 27

= 8 / 243

(c) 1 / 4^-2 × 2^3

= 4^2 × 2^3

= 16 × 8

= 128

(d) (3 / 2) ^ - 3

= (2 / 3) ^ 3

= 8 / 27

Step-by-step explanation: