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A quintillion is a number with 18 zeros (19 digits). A 20-digit number would be 10's of a quintillion (20 digits since we add one more digit to the left).

Q: What ia a 20 digit number called?

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The greatest prime number less than 20 is 19. Not sure what "then twice" is unless you are wanting to double it, which becomes 38.

2

I think you wanna know what the name of that number is and that would be one zillion...that's a big number! What are you like bill gates or something?? Lol jk...

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There are (99 - 9) = 90 2-digit numbers.13 of them are multiples of 7.The probability is 13/90 = 14.4% (rounded)

6 tenths

what ia baby eel called? what does "ia" mean? if your meant to say: what is a baby eel called? then this is the answer: little eels

It is a decimal fraction.

The greatest prime number less than 20 is 19. Not sure what "then twice" is unless you are wanting to double it, which becomes 38.

80% of 20 = 80% * 20 = 0.8 * 20 = 16

its: 12567893104

5

There Called Efts :)

A positive number.

A domain number is odd nnumbers.