Question : What is the value of 0.8 × 0.8 × 0.8 + 0.7 × 0.7 × 0.7 + 2.52?
Option 1: 2.125
Option 2: 5.165
Option 3: 4.275
Option 4: 3.375
Correct Answer: 3.375
Solution :
0.8 × 0.8 × 0.8 + 0.7 × 0.7 × 0.7 + 2.52
= 0.512 + 0.343 + 2.52
= 0.855 + 2.52
= 3.375
Hence, the correct answer is 3.375.
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