There are two correct answers to this question for each:
Quadrillion:
15 (in the USA and in any countries that use "short scale" naming conventions)
Or
24 (in countries that use "long scale" naming conventions)
Nonillion: 30 in short scale Or 54 in long scale
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The scales goes as follows:
Value in
Scientific notation
| Short Scale Name |
| Value in numerals
Long Scale Name
10 01oneone
10 31,000thousandthousand
10 61,000,000millionmillion
10 91,000,000,000billionthousand million or milliard
10121,000,000,000,000trillionbillion
10151,000,000,000,000,000quadrillionthousand billion or billiard
10181,000,000,000,000,000,000quintilliontrillion
10211,000,000,000,000,000,000,000sextillionthousand trillion or trilliard
10241,000,000,000,000,000,000,000,000septillionquadrillion
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List:
Name | Short Scale | Long Scale
Billion1091012Trillion10121018Quadrillion10151024Quintillion10181030Sextillion10211036Septillion10241042Octillion10271048Nonillion10301054
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A quadrillion has 15 zeros, so there would be 15 zeros in a quadrillion miles.
30 * * * * * No. In the short scale it is 27. A nonillion has 30 zeros.
A 1 quadrillion has 15 zeros. It is written as 1,000,000,000,000,000 in numerical form. This is because one quadrillion is equal to 10 to the power of 15.
One quadrillion = 1,000,000,000,000,000There's 15 zeroes in one quadrillion.
The number five quadrillion will have approximately 15 zeros.