There are 90,000 different number combinations that can be made in a five-digit number if numbers can repeat. To determine the number of possibilities, each place digit has to be evaluated independently to see how many numbers could fit there and then all are multiplied together.
Know MoreA five-digit number has five different place settings which can take on various values. The first digit can take on nine values, from 1 to 9. For the second through fifth digits any number between 0 and 9 can be used. To find the total number of combinations, these values are then multiplied together: 9 x 10 x 10 x 10 x 10 = 90,000 total combinations.
Learn more about NumbersThe only common multiple of the numbers 7 and 11 from 1 to 100 is the number 77, according to the Math Warehouse calculator. A multiple is the product of a number and another whole number. A common multiple of 7 and 11 must be larger than the two numbers.
Full Answer >Pi is a real number, as all numbers that exist on a number line are real. Real numbers include all rational and irrational numbers; pi is defined as an irrational number.
Full Answer >The number 16 is an even number and is the only integer that has the form x^{y}=y^{x}, where x and y are different numbers (2 and 4). Another fact is that the base 16, or hexadecimal system, is a notational system for expressing real numbers used in computer science. The 16 digits it uses to represent numbers are the numbers 0-9 and the letters A-F.
Full Answer >Prime numbers that, when multiplied, equal another number are said to be the “prime factors” of that number. For example, 2 and 7 are the prime factors of the number 14.
Full Answer >