A Quadrillion has got__________?
Correct answer: C. 15 zeros
- A. 21 zeros
- B. 18 zeros
- C. 15 zeros
- D. None of these
Explanation
In the commonly used short scale, a quadrillion equals 10^15, so it is written with 15 zeros. This is the system normally used in modern English-language examination questions.
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