As a solution to the four fours problem (using the number four no more than four times to come up with the solution, 31 is equal to (4!+4)/4+4!
4/.4 + 4/4 = 10 + 1 = 11.
It looks like you're asking what is the largest 4-digit number which has four 4's for digits - with a four digit number using four 4's, there is only one such number: 4444. Maybe I'm not understanding the wording of your question.
How about 4 times 7 is 28 and 8 divded by 2 is 4
( (3x3) +3 ) /3=4
The only time this occurred was in 2008.
145.992 using only four significant figures is 146.0
21,600 using only four significant figures is still 21,600.
Many names appear only four times. In the King James version, there are 638 words which appear only 4 times. Many of these are names. Using only ones which begin with the letter G we find Gabriel, Giddel and Guni.
Four factorial plus the square root of four minus (four divided by four) 24 + 2 - 1 = 25
Multiplication because 4 times 9 = 36
A prime number times a prime number is a composite number. Since prime numbers, except for 2, are odd numbers, a prime number times a prime number is usually an odd number. It will only be an even number if one of the prime numbers is 2. A prime number times a prime number will be a number with four factors unless both prime numbers are the same, in which case it will be a square number with only three factors.
No, because the definition of a prime number is 'a number that can only be divided by one or itself, and still leave a whole number.' Anything in the eight times table would be divisible by two and four.
Google "Four Fours" and you will find a number of solutions, presented more comprehensively than we can.
2^3 Times 4 minus 1
Assuming you can only use the four basic operations, this is impossible.
7 * (7/7) - 2 = (7*7)-2 = 49-2 = 47
four-4 infinity + infinity + infinity... an infinate number of times will give you an infinate number of characters, and whos sum will be infinity... ;)
You only have to beat the elite four once but you can do it as many times as you want.
Get rid of the 9. 2 times 2 times 6 equals 24.