Question

Evaluate; 1.3^3-0.8^3-0.7^3

Answer 1

1.3^3-0.8^3-0.7^3

= (1.3×1.3×1.3) - (0.8×0.8×0.8) - (0.7×0.7×0.7)

= 2.197 - 0.512 - 0.343

= 1.342

Answer 2

hey here your answer
1.3^3 =2.197

0.8^3= 0.512

0.7^3 =0.343

so, the answer is = 2.197 - 0.512 - 0.343

= 1.342


hope this helps___

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thanks;D