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10, 24, 48, 80, 82
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How do you multiply by 2 or 3 digit numbers?
first digit time second digit and second digit times first digit then repeat
How many three digit counting numbers are not multiples of 2?
There are 450 of them.
How many 3-digit numbers can made using the digits 2 3 4?
If you can repeat a digit, there are 27. If you can't repeat a digit, there are only 6.
How many 2 digit numbers can be formed from 0 to 9?
10C2 = 45
How many four digit numbers can be formed out of 123 if a digit can be repeated?
There are 3 values (1, 2, 3) for each of the 4 digits. Therefore, there are 3*3*3*3 or 81 four digit numbers that can be formed.
Are all beprisque numbers even?
No.
What is the first beprisque greater than 100?
Since a Beprisque is a whole number that is consecutive and between a prime and a square, we look to the squares above 100 to begin our search. 121 is a square, but the the two odd numbers on either side of it (119 and 123) are not prime, so we check the next odd perfect square. (Why would we skip over 144?) 167 is prime and 169 is a square, so 168 is Beprisque, and is the first 3-digit Beprisque.
What are the products of multiplying 2 digit numbers by 2 digit numbers?
A 3 or 4 digit number.
6 digit combination from 1 to 42?
There are 28706 such combinations. 5456 of these comprise three 2-digit numbers, 19008 comprise two 2-digit numbers and two 1-digit numbers, 4158 comprise one 2-digit number and four 1-digit numbers and 84 comprise six 1-digit numbers.
How many 5 digit combinations for numbers 1- 25?
There are 9 1-digit numbers and 16-2 digit numbers. So a 5 digit combination is obtained as:Five 1-digit numbers and no 2-digit numbers: 126 combinationsThree 1-digit numbers and one 2-digit number: 1344 combinationsOne 1-digit numbers and two 2-digit numbers: 1080 combinationsThat makes a total of 2550 combinations. This scheme does not differentiate between {13, 24, 5} and {1, 2, 3, 4, 5}. Adjusting for that would complicate the calculation considerably and reduce the number of combinations.
What is the ratio of 1 digit numbers to 2 digit numbers?
There is no such ratio that applies for all single-digit and double-digit integers.
How many a 2 -digit numbers contain the digit 4?
-2
How many 2 digit numbers have no 2 at all?
72. (with the range of two digit numbers being from 10 to 99).
How many 5 digit combos in 30 numbers?
The answer will depend on how many digits there are in each of the 30 numbers. If the 30 numbers are all 6-digit numbers then the answer is NONE! If the 30 numbers are the first 30 counting numbers then there are 126 combinations of five 1-digit numbers, 1764 combinations of three 1-digit numbers and one 2-digit number, and 1710 combinations of one 1-digit number and two 2-digit numbers. That makes a total of 3600 5-digit combinations.
How many 2-digit numbers are there in which the one digit in greater than tens digit?
How many two digit numbers are there in which the tens digit is greater than the one’s digit ?
What is the greatest possible product of a 2 digit and a 1 digit number?
Highest 2-digit number = 99 Highest 1-digit number = 9 Highest possible sum from 2, 2-digit numbers = 198 Highest possible sum from 2, 1-digit numbers = 18
How many 2-digit numbers contain the digit?
It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.
