1.

(Questions 23 to 30 carry 4 marks e625631 6Simplifv:_81

Answer»

(16/9)^1/2 = (4*4/3*3)^1/2

= 4/3

(256/81)^1/4 = (4*4*4*4/3*3*3*3)^1/4

= 4/3

√3/√27 = √3/3√3

= 3

So,

4/3 ÷ (4/3 + 3)

= 4/3 ÷ (13/3)

= 4/3 * 3/13

= 4/13

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