If 13 + 23 + 33 + .... + 93 = 2025, then the value of (0.11)3 + (0.22)3 + .... + (0.99)3 is close to :
A. 0.2695
B. 0.3695
C. 2.695
D. 3.695
Answer: Option C
Solution(By Examveda Team)
$$\eqalign{ & {\left( {0.11} \right)^3} + {\left( {0.22} \right)^3} + .... + {\left( {0.99} \right)^3} \cr & = {\left( {0.11} \right)^3}\left( {{1^3} + {2^3} + .... + {9^3}} \right) \cr & = 0.001331 \times 2025 \cr & = 2.695275 \approx 2.695 \cr} $$Related Questions on Decimal Fraction
Join The Discussion