# Quick Answer: How Many Of Two Numbers Are There?

## How many combinations of 6 are there?

With 1 item there are 6 possibilities with 2 you only have 5 choices after the first if you don’t repeat the same item.

So for 6 items the equation is as follows 6*5*4*3*2= 720 possible combinations of 6 items.

If you can choose to use less of the items in a sequence that changes things.

1 item used = 6 possibilities ..

## How many 2 digit numbers contain the number 7?

18 twoThere are 18 two digit numbers containing 7.

## How many 2 digit numbers contain the digit 2?

Solution. The 2-digit numbers that contain 2 can be produced by listing them systematically. They are 12, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 32, 42, 52, 62, 72, 82, 92. There are 18 of them.

## How many permutations are there for 6 numbers?

If you are just using the digits from 1 to 6, the answer would be 6*5*4*3*2*1 = 720, because you have 6 choices for the units digit, and then 5 choices left for the tens, and then 4 choices left for the hundreds and so on.

## How do you calculate permutations?

One could say that a permutation is an ordered combination. The number of permutations of n objects taken r at a time is determined by the following formula: P(n,r)=n! (n−r)!

## How many digits does 2 10000000000000 have?

Therefore 21000 has 302 digits.

## What is nPr calculator?

A permutation, denoted by nPr, answers the question: “From a set of n different items, how many ways can you select and order (arrange) r of these items?” One thing to keep in mind is that order is important when working with permutations.

## What is smallest 2 digit number?

10Two digits numbers When we add one unit to the greatest one-digit number we get the smallest two-digit number. The smallest two-digit number is 10 and the greatest is 99.

## What does 2 digits mean?

are two digit numbers. … We see, the digits, 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 are placed gradually to the right of the digit 1. Thus, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19 are formed.

## How many 2 digit odd numbers are there?

45 twothus there are 45 two-digit odd numbers.

## How many 6 digit numbers are there?

2. How many 6-digit numbers are there? There are nine lakh (9,00,000) 6-digit numbers in all.

## How many possibilities are there with 2 numbers?

So that means you need to know how many different permutations there are for each combination. If there are two numbers, there are two permutations per combination. Divide the possible permutations by number of permutations per combination: 2450 / 2 = 1225.

## How many permutations of 4 are there?

256 permutationsIn the first position we have 4 number options, so like before place a “4” in the first blank. Since we are allowed to reuse numbers, we now have 4 number options available for the second digit, third digit, and fourth digit as well. By allowing numbers to be repeated, we end up with 256 permutations!

## How many combinations of 50 numbers are there?

if you have 2 of 10 numbers, your total number is 100. the lottery is 8 numbers that can be 1-50. so there are 39,062,500,000,000 different combinations of lottery numbers.

## What is a 2 digit square number?

A 2-digit number is squared. When the 2-digit number is reversed and squared, the difference between the squares is also a square.

## What is the largest number?

A googol is a 1 with a hundred zeroes behind it. We can write a googol using exponents by saying a googol is 10^100. The biggest named number that we know is googolplex, ten to the googol power, or (10)^(10^100). That’s written as a one followed by googol zeroes.

## How many combinations of 6 numbers are there in 59?

45,057,474The number of combinations possible with 6 numbers between 1 and 59 is 45,057,474.