How many numbers exactly have 4 digits?

How many numbers exactly have 4 digits?

There are 4 numbers (any number from 0-9) in a 4-digit number and the starting number should be 1 or bigger than 1. The thousands place in a 4-digit number cannot be 0. The smallest 4 digit number is 1000 and the greatest 4 digit number is 9999. There are 9000 four-digit numbers in all.

How many numbers exactly have 3 digit number?

900
In the tens place and the one’s place, there can be any digit from 0-9. There is a possibility of 10 digits in the hundredth place and 10 digits in the unit’s place. Thus, there are 9 × 10 × 10 = 900 three-digit numbers in all. Therefore there are 900 three-digit numbers in all.

How many 2 digit natural numbers are there?

Answer: There are total of 99 two-digit numbers…..

How many 4 digit numbers that do not contain 3 or 6?

How many four-digit numbers that do not contain the digits 3 or 6 are there? Actual solution states that the first digit has 7 possibilities which excludes 0,3,& 6. And the other 3 digits have 8 possibilities. So the total possibilities are 7 * 8 * 8 * 8==3584.

How many 2-digit whole number are there between 5 and 92?

Two digits whole number between 5 and 92 are: 10,11,12,……., 90, 91 , 92. Now, 10 is also a 2-digit whole number, so the total whole numbers between 5 and 92 are 82 + 1 = 83.

What is the largest 2-digit prime number?

97
We can see that all the above two digits numbers have only two factors, one is 1 and another is themselves. Now, we can observe that the greatest two digit prime number is 97. So, the correct answer is “97”.

What are all the two digit numbers?

The two digit numbers have nine groups, i.e., 10 to 19, 20 to 29, 30 to 39, 40 to 49, 50 to 59, 60 to 69, 70 to 79, 80 to 89 and 90 to 99. Each group has 10 numbers . The total number of two digit numbers is 90 .

How many numbers in a mobile number?

“Mobile” (Cell Phone) numbers are written in the form of ten digits in length since, when dialed within Australia, the Trunk Access Code 0 must be included, plus 4, which indicates the Service required is a “Mobile” number. Mobile numbers are conventionally written 04xx xxx xxx.

What is a 3 digit prime number?

101 is the smallest 3 digit prime number since the one and only 3digit number smaller than 101 has factors 100 (2,4,5,10…) 997 is the largest 3 digit prime number since other 3 digit numbers greater than 997 has factors 998 (2,499…),999 (3,9….).