1.

Find the cube of:(i) 0.3 (ii) 1.5(iii) 0.08 (iv) 2.1

Answer»

(i) 0.3

(0.3)3 = 0.3×0.3×0.3 

= 0.027

(ii) 1.5

(1.5)3 = 1.5×1.5×1.5 

= 3.375

(iii) 0.08

(0.08)3 = 0.08 × 0.08 × 0.08 

= 0.000512

(iv) 2.1

The cube of 2.1 is

(2.1)3 = 2.1 × 2.1 × 2.1

 = 9.261



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