In standard form 21600000 is written as
  • a)
    2.16 × 107
  • b)
    216 × 107
  • c)
    2.16 × 105
  • d)
    216 × 100000 
Correct answer is option 'A'. Can you explain this answer?

Class 8 Question

By Ritika Lakra · Aug 08, 2020 ·Class 8
2 Answers
Chetan Rian answered Aug 08, 2020
The answer is A.

Kritika I Bat Ani answered Aug 08, 2020
There are 7 digits after 2 . So , 10 power 7 . Now , after 7 digits from o put a decimal point . That's why 21600000 is written as 2.16 * 10 raise to power 7

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