Numbers

A:

In the third grade, compatible numbers are estimated figures that are used to make mental arithmetic simpler. Compatible numbers are very close to the actual numbers and yield a similar result with less work.

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  • What is standard notation?

    Q: What is standard notation?

    A: Standard notation is when a number is completely written out using numerical digits. Some examples of numbers written in standard notation are 64,100 and 2,000,000.
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  • What is a whole number?

    Q: What is a whole number?

    A: A whole number belongs to the set of integers that are equal to or greater than zero. For example, the set of numbers {0, 1, 2, 3, 4, 5, ...} contains all of the whole numbers.
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  • What is the Mayan number system?

    Q: What is the Mayan number system?

    A: The Mayan number system is a base-twenty system that was developed by the Mayan civilization around the fourth century A.D. Only three symbols are used to represent all numeric values: a shell for zero, a bar for five and a dot for one. These symbols are arranged in columns that are read from top to bottom, and the columns are arranged in powers of 20.
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  • How many zeroes are in a zillion?

    Q: How many zeroes are in a zillion?

    A: Zillion has an indeterminate number of zeroes. Despite the popular misconception, zillion actually is not a true number. Rather, zillion is defined as an indeterminately large number.
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  • Is pi a real number?

    Q: Is pi a real number?

    A: 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.
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  • What is a non-real number?

    Q: What is a non-real number?

    A: A non-real, or imaginary, number is any number that, when multiplied by itself, produces a negative number. Mathematicians use the letter "i" to symbolize the square root of -1. An imaginary number is any real number multiplied by i. For example, 5i is imaginary; the square of 5i is -25.
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  • What is the last number on Earth?

    Q: What is the last number on Earth?

    A: There is no such thing as a last number when it comes to the natural number system. By definition, every number has a number larger than it.
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  • What is the value of pi to 100 or more decimal places?

    Q: What is the value of pi to 100 or more decimal places?

    A: According to Joy of Pi, the value of pi to 100 decimal places is expressed as 3.1415926535897932384626433832795028841971693993751058209749445923078 164062862089986280348253421170679. Pi is an irrational number with a limitless, non-repeating decimal expansion.
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  • What is a landmark in math?

    Q: What is a landmark in math?

    A: A landmark number is a number that makes math simpler by virtue of it being easy to relate to and calculate with, such as the number "10." Most landmark numbers are multiples of 10.
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  • Is every integer a whole number?

    Q: Is every integer a whole number?

    A: Every integer is not a whole number, but every whole number is an integer. An integer is any number, positive, negative or zero, that is able to be represented without a fraction or decimal, according to Reference.com. The number of possible integers is infinite.
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  • What are all prime numbers that are less than 100?

    Q: What are all prime numbers that are less than 100?

    A: The prime numbers less than 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97. A prime number is any number that is only divisible by itself and 1. The number 1 is not considered a prime number.
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  • What is a linear pattern?

    Q: What is a linear pattern?

    A: A linear pattern exists if the points that make it up form a straight line. In mathematics, a linear pattern has the same difference between terms. The patterns replicate on either side of a straight line.
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  • How many zeros are in one million?

    Q: How many zeros are in one million?

    A: There are six zeros in one million. This figure does not include decimal points.
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  • What Is 500 meters equal to in miles?

    Q: What Is 500 meters equal to in miles?

    A: A distance of 500 meters is the same as a distance of 0.31 miles. The one-step conversion of meters to miles is found by multiplying the number of meters by 0.00062137.
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  • What is the difference between a number and a numeral?

    Q: What is the difference between a number and a numeral?

    A: A number is a theoretical concept, and a numeral is the way that people denote that concept. A numeral contains one or more written symbols, but a number can be expressed in a range of ways. Number and numeral are often used interchangeably, but there is a slight difference between them.
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  • What is a Roman numerals list?

    Q: What is a Roman numerals list?

    A: A Roman numerals list includes Hindu-Arabic numerals with a corresponding set of symbols. The letters I, V, X, L, C, D and M are used as symbols by Romans in a unique system of representing numbers.
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  • What is the definition of extremes in math?

    Q: What is the definition of extremes in math?

    A: When solving proportions in math, the outer terms in the calculation are the extremes, and the middle terms are called the means. When setting the proportion equation a/b = c/d, the a and the d figures are the extremes. Cross multiplication to solve the equation yields a x d = b x c, and division allows for solving to identify the quantity of the variable.
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  • How do you place rational numbers in order from least to greatest on a number line?

    Q: How do you place rational numbers in order from least to greatest on a number line?

    A: Rational numbers are any numbers that can be expressed by a fraction with integers in both the numerator and the denominator. The amount of time and paper it takes to put them into an increasing line depends on how many numbers there are and how big of a range they have.
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  • Q: What is the 3x3 system of equations solver?

    A: A 3x3 system of equations solver is a tool that tells the user the values of three variables based on three equations. The user inputs the three equations, chooses which method to use and sees the results.
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  • What is the Roman numeral MM?

    Q: What is the Roman numeral MM?

    A: The Roman numeral MM is 2,000. M is the Roman numeral for 1,000. Roman numerals are read using the additive principle, which simply means that they are added together. So two Ms would be 1,000 + 1,000, which equals 2,000.
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  • Q: What does an "18 KGP" stamp on a piece of gold mean?

    A: Gold stamped with an "18 KGP" mark means that the item in question is not solid gold. It is simply another metal that has been plated with a gold alloy comprised of 18 parts gold to six parts of another metal. These others metals are typically silver or zinc.
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