Numbers

Two numbers that equal -9 can be -4 and -5, since -4 + -5 = -9. Alternatively, another pair could be -10 and 1, as -10 + 1 also equals -9. There are many combinations of numbers that can result in -9, but these are two examples.

Yes, negative 3.56 is a rational number. Rational numbers can be expressed as the ratio of two integers, and negative 3.56 can be represented as -356/100. Since both -356 and 100 are integers, negative 3.56 meets the criteria for being a rational number.

The smallest odd number you can form from the digits 3, 4, 6, and 8 is 3. Since 3 is the only odd digit among the given numbers, any combination that includes it must place it at the front to maintain its status as the smallest odd number. Therefore, the answer is simply 3.

To find the number of 5-number combinations from the numbers 1 to 50, you can use the combination formula ( C(n, r) = \frac{n!}{r!(n-r)!} ). Here, ( n = 50 ) and ( r = 5 ). Therefore, the number of combinations is ( C(50, 5) = \frac{50!}{5!(50-5)!} = \frac{50!}{5! \times 45!} = 2,118,760 ). Thus, there are 2,118,760 different 5-number combinations possible.

Yes, 712 is a rational number because it can be expressed as a fraction, specifically ( \frac{712}{1} ). Rational numbers are defined as numbers that can be represented as the quotient of two integers, and since 712 is an integer, it meets this criterion.

Yes, the number 3.14 is considered a rational number because it can be expressed as a fraction of two integers, specifically 314/100. Rational numbers are defined as numbers that can be written in the form a/b, where a and b are integers and b is not zero. Since 3.14 meets this criterion, it is classified as rational.

The square numbers that are greater than 20 but less than 50 are 25 and 36. These correspond to the squares of the integers 5 (5² = 25) and 6 (6² = 36). The next square, 49 (7²), is also included as it is equal to 49 but still meets the criteria.

Two million four hundred and twenty thousand seven hundred and two in figures is written as 2,420,702.

No, 3.46 is not an integer number. An integer is a whole number that can be positive, negative, or zero, and it does not include fractions or decimals. Since 3.46 has a decimal component, it is classified as a rational number rather than an integer.

The octal number system, which is base-8, is primarily used in computing and digital electronics because it provides a more compact representation of binary data. Each octal digit corresponds to three binary digits, making it easier to read and manage large binary numbers. Additionally, octal can simplify programming and debugging tasks, particularly in systems that align well with 3-bit groupings, such as older computer architectures. Its use has diminished with the rise of hexadecimal, but it remains relevant in certain contexts.

Binary code was primarily developed by Gottfried Wilhelm Leibniz in the 17th century, who introduced the concept in his work "Explication de l'Arithmétique Binaire." However, the use of binary systems can be traced back even further to ancient cultures, such as the I Ching in China. The modern application of binary code in computing was further advanced in the 20th century by figures like Claude Shannon. Thus, while its foundations span various cultures and eras, Leibniz is often credited with its formal invention.

The General Allotment Act of 1887 aimed to assimilate Native Americans into American society by allotting individual plots of land to tribal members, thereby promoting private land ownership and agriculture. The act sought to reduce the communal landholdings of tribes, which were seen as obstacles to American economic development and integration. By breaking up tribal lands, the government intended to encourage self-sufficiency and diminish indigenous cultural practices. Ultimately, the act resulted in significant loss of Native American land and sovereignty.

Yes, 1.345 is a rational number because it can be expressed as a fraction. Specifically, it can be written as 1,345/1,000, which represents the ratio of two integers. Rational numbers are defined as numbers that can be expressed in this form, so 1.345 fits this definition.

One third of two hundred and fifty-four is calculated by dividing 254 by 3. This equals approximately 84.67. Therefore, one third of 254 is 84 and two-thirds, or 84.67 when expressed as a decimal.

Hexadecimal is often used instead of denary to represent binary numbers because it provides a more compact and readable format. Each hexadecimal digit corresponds to four binary digits (bits), making it easier to represent large binary values without lengthy strings of zeros and ones. This simplification helps reduce the potential for errors when interpreting or writing binary data, especially in programming and digital electronics. Additionally, hexadecimal aligns well with the way computers process data, which is inherently binary.

The binary number 0101011001 can be converted to base 10 by calculating the sum of the powers of 2 for each bit that is set to 1. Starting from the right, the positions with 1s are 0, 2, 4, 6, and 8, which correspond to (2^0), (2^2), (2^4), (2^6), and (2^8). This gives us (1 + 4 + 16 + 64 + 256 = 341). Therefore, the binary number 0101011001 is equal to 341 in base 10.

The two numbers you are looking for are -21 and -8. When added together, they yield -29 (-21 + -8 = -29), and when multiplied, they give 168 (-21 * -8 = 168).

Yes, 9.2 is a rational number because it can be expressed as the fraction 92/10, which simplifies to 46/5. Rational numbers are defined as numbers that can be written as a ratio of two integers, and since 9.2 meets this criterion, it is considered rational.

Rational numbers can be classified into two main types: terminating decimals and repeating decimals. Terminating decimals are numbers that have a finite number of digits after the decimal point, while repeating decimals have one or more digits that repeat infinitely. Both types can be expressed as fractions, where the numerator is an integer and the denominator is a non-zero integer. Overall, rational numbers encompass all numbers that can be represented in this fractional form.

To write the decimal number 27 in binary, you can divide the number by 2 and record the remainders. Starting with 27, divide by 2 to get 13 with a remainder of 1, then divide 13 by 2 to get 6 with a remainder of 1, then 6 by 2 to get 3 with a remainder of 0, then 3 by 2 to get 1 with a remainder of 1, and finally 1 by 2 to get 0 with a remainder of 1. Reading the remainders from bottom to top, 27 in binary is 11011.

The number 23842 in word form is written as "twenty-three thousand eight hundred forty-two."

A whole number is a non-negative integer, which includes numbers like 0, 1, 2, and so on. By definition, whole numbers cannot be irrational numbers, as irrational numbers cannot be expressed as a fraction or a whole number. However, whole numbers are also considered a subset of integers and rational numbers, since they can be expressed as fractions (e.g., 1 can be written as 1/1). Thus, while a whole number cannot be irrational, it can be both an integer and a rational number.

The binary system, which uses only two digits (0 and 1), offers several advantages, particularly in computing. First, it simplifies electronic circuit design, as binary states correspond easily to the on/off states of transistors. This leads to increased reliability and efficiency in data processing and storage. Additionally, binary representation allows for straightforward implementation of logical operations, making it foundational for programming and digital communication.

A rational number is expressed as the quotient of two integers, where the denominator is not zero. When expressed in decimal form, this fraction can either terminate (end after a certain number of digits) or repeat (enter a cycle of digits). This behavior arises from the division process; if the denominator has only the prime factors 2 and/or 5, the decimal will terminate. Otherwise, the division will eventually lead to a repeating cycle due to the finite number of possible remainders in the long division process.

Eight hundred thousand in number form is written as 800,000.