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The number 1 appears 21 times between 1 and 120. This includes 1 itself, and then it appears in the tens and units places in the numbers 10-19 (10 times) and in the numbers 21, 31, 41, 51, 61, 71, 81, 91, 101, 111 (11 times). Thus, the total count is 1 (from 1) + 10 (from 10-19) + 10 (from 21, 31, etc.) = 21.
What else can I help you with?
What are 5 numbers digits are the same between 0 and 60?
If I understand the question correctly, the digits 1, 2, 3, 4 and 5 appear the same number of times.
How many times does the number 9 appear between 1 to 100?
20
Are there any prime numbers that are in an times tables?
Yes. Every prime number appears in its own times table. But it does not appear in any other.
What is the mode of the numbers 503 and 510?
The mode is the number that occurs most often in a list. As both numbers appear the same amount of times, there is no mode.
What if the difference between two numbers is sixteen three times the larger number is seven times the smaller what are the numbers?
12 and 28
How many times does the number 2 appear in the numbers 1-400?
180
What do you know about numbers that appear an even number of times in a multiplication chart?
That they are not perfect squares.
How many times does the number 7 appear from the numbers 1-1000000?
42 hoe
How many times does the number 3 appear between 0 and 40?
5 times
What are 5 numbers digits are the same between 0 and 60?
If I understand the question correctly, the digits 1, 2, 3, 4 and 5 appear the same number of times.
How many times the number 6 appear between 1-100?
20
How many times does the number 6 appear between 1 to 100?
20
How many times does the number 9 appear between 1 to 100?
20
What can you say about the prime factorization of square numbers?
Each prime factor will appear an even number of times.
If all the numbers from 501 to 700 are written what is the total number of times does the digit 6 appear?
140
What type of numbers is found an odd number of times in a multiplication table?
Single digit numbers is not correct. Squares of numbers will appear odd number of times in a multiplication table: 1², 2², 3², 4², 5², 7², etc....
How many times does the number 5 appear between 1 and 10000?
5 times, simple maths
