"Decimal" Essays and Research Papers

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Decimals decimals The decimal numeral system (also called base ten or occasionally denary) has ten as its base.  It is the numerical base most widely used by modern civilizations.  Decimals also refer to decimal fractions. To understand decimal numbers you must first know about Place Value. When we write numbers, the position (or "place") of each number is important. History of Decimals The Arabic numeral system is considered one of the most significant developments in mathematics, and...

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Decimal and Marks

5428 to Decimal (iii) A1F2.C16 to Octal (iv) 8383212 to Octal [9 marks] (b) Evaluate 83A7F4.5D16 + B5B63.3E16. (Show working in Base 16) [5 marks] (2) A computer stores a number of 16 bits word using floating-point arrangement. Given that the first bit is reserved for the sign and followed by 6 bits for the exponent using biased form. The remaining bits are used for the mantissa with a hidden bit. (a) Show how the computer stores -37.87510 [5 marks] (b) What is the decimal value for...

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Decimal Number

number of digits available in the number system). 1. Decimal Number System The number system that we use in our day-to-day life is the decimal number system. Decimal number system has base 10 as it uses 10 digits from 0 to 9. In decimal number system, the successive positions to the left of the decimal point represent units, tens, hundreds, thousands and so on. Each position represents a specific power of the base (10). For example, the decimal number 1234 consists of the digit 4 in the units position...

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Teaching Decimals

Rounding Mixed Decimals to the Nearest Tenth A concept in mathematics that students need to learn in elementary school is to round mixed decimals to the nearest tenth. This essay describes how I would teach this concept to a group of fourth grade students. To begin, I would identify the prerequisite skills that students need in order to master this concept. First the students need to understand place value of whole numbers and decimals; this is necessary because rounding can affect the amount...

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Exploring Decimals

Exploring Decimals Activity 1: FINDING DECIMAL EQUIVALENTS In the course of converting fractions to their decimal equivalents, you should have observed the following: Some fractions convert to terminating decimals; others, to repeating decimals. In some fractions that convert to a repeating decimal, the digits begin repeating immediately; in others, one or more digits appear between the decimal point and the repetend. In this activity, you will investigate the answers to the following questions:...

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Assignment: Hexadecimal and Following Decimal Numbers

its decimal equivalent. (4) Largest binary number is (11111111111111111111)2 = (65535)10 Number of bits=n=16 2n-1=216-1=(65535)10 3. Covert the following numbers with indicated bases to decimal: (4310)5 (50)7 (12121)3 (198)12 , ( 1110101.11)2 (4) (4310)5 = 4x53+3x52+1x51+0x50=(580)10 (50)7 = 5x71+0x70 =(35)10 (12121)3 = 1x34+2x33+1x32+2x31 + 1x30 =(51)10 (198)12 = 1x122+9x121 + 8x120 = (260)10 ( 1110101.11)2 = 1x26+1x25+1x22+2x21 + 1x20 = 4. Covert the following decimal numbers...

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Introduction to Indian Mathematics

astronomy and astrology. It was Aryabhatta, who gave a new direction to trigonometry. The decimal system too was an innovation of India. By the third century B.C. mathematics, astronomy and medicine began to develop separately. In the field of mathematics ancient Indians made three distinct contributions, the notation system, the decimal system and the use of zero. The earliest epigraphic evidence of the use of decimal system belongs to the fifth century A.D. Before these numerals appeared in the West...

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Chapter 1 study guide

binary to decimal conversion. (10) 1 – In each of these eight columns, multiply the decimal digit value times the binary value 2 – Add the eight numbers found in the previous step (the bottom row in the table) Bit Positions: 8 Bit Binary Number 27 26 25 24 23 22 21 20 128 64 32 16 8 4 2 1 Decimal 0 1 1 1 1 0 1 1 Binary 0 64 32 16 8 0 2 1 Products Add Bottom Row 9. Explain and demonstrate the process for decimal to binary conversion. (11) 1 – If the countadown is less than the decimal digit...

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Manipulative Paper: Base Ten Blocks Learning Tool

student would roll the dice, and so on until all the digits have been rolled. Fifth grade TEK (1) (B) says that students will use place value to read, write, compare, and order decimals through 999,999,999,999. One activity that teachers could use with base ten blocks would be to see the difference in the place value of a decimal and how it affects the number. Students would complete the problem using the base ten blocks. Another activity using base ten blocks would include students making connections...

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Computational Aspects of Normal Distribution

computational technique. Lastly, in the third section a practical example will be solved to justify what we have told in the first and second section of the article. In addition, a computer program will be listed which gives the result up to the correct 4 decimal places Section-1 Normal distribution function The equation of normal curve is defined as (eqn. 1) From the above equation we can derive the following density function between two finite values of x (x1 and x2). (eqn. 2) From...

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