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To find the penultimate digit of 99!, we first note that 99! has many factors of 10 due to the number of multiples of 5 and 2 present in the product. Specifically, there are 24 trailing zeros in 99!, which means the last two digits are 00. Therefore, the penultimate digit of 99! is 9, as the last two digits are 00.

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2d ago

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What is the last digit of factorial 99?

Well, isn't that a happy little question! When you calculate the factorial of a number, you multiply that number by all the positive integers less than it. The last digit of factorial 99 is 0, because there are lots of factors of 2 and 5 in the multiplication, creating zeros at the end. Just imagine all those zeros as little trees in a beautiful forest of numbers!


What is the tens digit of the product 1 to 99?

0. There are 9 multiples of 10 between 1 and 99, so 99 factorial is divisible by at least the 9th power of 10. Therefore the last 9 digits are 0.


What is the two digit small number?

-99 is the smallest two digit number.-99 is the smallest two digit number.-99 is the smallest two digit number.-99 is the smallest two digit number.


What are the last 2 digits of factorial 99?

00


What is 100 factorial divided by 2 factorial?

50


How many 10 digit numbers can be formed using each digit once?

ten factorial = 10! = 3,628,800


Which is the smallest two digit no?

-99-99-99-99


What is the unit digit of 43 to the power of 34 factorial?

Well, isn't that a happy little math problem! When we look at the unit digit of powers of numbers, we focus on the cyclical pattern they follow. The unit digit of 3 raised to any power follows a pattern: 3, 9, 7, 1, and then repeats. So, to find the unit digit of 3 to the power of 34 factorial, we look for the remainder when 34 factorial is divided by 4, which is 2. Therefore, the unit digit of 3 to the power of 34 factorial is 9.


What is the largest 2 digit number that can be multiplied by itself to give a 4 digit number?

It is 99. 99*99 = 9801


What is 100 factorial?

100*99*...*2*1= 93326215443944152681699238856266700490715968264381621468592963895217 59999322991560894146397615651828625369792082722375825118521091686400 0000000000000000000000


How many 2-digit numbers are there from 0 to 99?

99.Because if you do 0 minus 99 whats the answer?99.So it has 99 numbers in a 2-digit number.


Why 10 is not the smallest two digit number?

Because -99 is a two digit number and it is smaller.10 is the smallest positive 2-digit number.Because -99 is a two digit number and it is smaller.10 is the smallest positive 2-digit number.Because -99 is a two digit number and it is smaller.10 is the smallest positive 2-digit number.Because -99 is a two digit number and it is smaller.10 is the smallest positive 2-digit number.