MCQ
Express $7.68 \times 10^5$ in usual form:
  • A
    $768$
  • $768000$
  • C
    $76800$
  • D
    $7.6800000$

Answer

Correct option: B.
$768000$
B.  $768000$
Solution:
$7.68 \times 10^5 = 768 × 10^{-2} \times 10^5$
$= 768 × 10^3$
$= 768000$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free