What is the value of 0.8 × 0.8 × 0.8 + 0.7 × 0.7 + 2.52?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 3.375.
0.8 × 0.8 × 0.8 + 0.7 × 0.7 + 2.52 = ?
⇒ 0.83 + 0.72 + 2.52 = ?
⇒ 0.512 + 0.49 + 2.52 = ?
⇒ 3.522 = ?