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How many four-digit numbers can be formed if the leading digit cannot be zero?

Anonymous

∙ 14y ago

Updated: 12/22/2022

There are 9 x 10 x 10 x 10, or 9000 four-digit number that can be formed if the leading digit cannot be zero.

Wiki User

∙ 14y ago

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How many different 5 digit numbers can be formed from the digits 0 to 9?

100000 - including numbers with leading 0s

How many 3 digit even numbers can be formed by using numbers 01234?

Assuming leading zeros are not permitted, then: If repeats are not allowed there are 30 possible numbers. If repeats are allowed there are 60 possible numbers.

The total number of five digit numbers that can be be formed digits 12345 is?

It is 120 if the digits cannot be repeated.

How many 7 digit telephone numbers can be formed the first digit cannot be zero?

9,000,000 if there are no other requirements.

How many two-digit numbers in base ten can be formed if the tens digit cannot be 0 and no digit can be repeated?

81

Related Questions

How many different 5 digit numbers can be formed from the digits 0 to 9?

100000 - including numbers with leading 0s

What even number cannot be formed by two prime numbers?

You can not add two positive prime numbers and get zero.

How many 10 digit numbers can be formed using 0123456789?

Assuming that numbers with a leading zero is not permitted, the answer is 9*9! = 3,265,920. If leading 0s were permitted, the answer would have been 3,628,800

What is the first even number that cannot be formed by adding two prime numbers together?

2

Find 2 numbers with a product of 899?

A product cannot exist of a single number - a product is formed by multiplying two separate numbers.

How many 3 digit even numbers can be formed by using numbers 01234?

Assuming leading zeros are not permitted, then: If repeats are not allowed there are 30 possible numbers. If repeats are allowed there are 60 possible numbers.

How many 3 digit numbers can be formed from the digits 12345 if the digits cannot be repeated?

1 set

The total number of five digit numbers that can be be formed digits 12345 is?

It is 120 if the digits cannot be repeated.

How many 7 digit telephone numbers can be formed the first digit cannot be zero?

9,000,000 if there are no other requirements.

How many 3-digit numbers can be formed from 0-9 and is divisible by 25?

22, if leading 0s are disallowed. 24 if they are permitted.

How many two-digit numbers in base ten can be formed if the tens digit cannot be 0 and no digit can be repeated?

81

How many 3 digit codes can be formed if the numbers cannot start with 0 or 1?

8*10*10=800

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