Which digit has the highest value in 27‚541? 3. What is the place value of 3 in 23‚450? 4. How many hundreds are there in 5‚330? 5. How many tens are there in 29‚920? 6. What is the biggest 2-digit even number? 7. What is the odd number next to 395? 8. What comes after 346? 9. Arrange from least to greatest. {32‚ 47‚ 23‚ 73‚ 53} 10. What is the correct symbol to be used in 89 (‚ =) 45? 11. In the expression 5-3=2. What do you call 2? 12. Write on-half in symbols. 13. I am a two digit number
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smallest number should be added to 4456 so that the sum is completely divisible by 6 ? Q. 18 How many 3 digit numbers are divisible by 6 in all ? Q. 19 Find the units digit for 7^197 without using a calculator. Q. 20 What is the units digit of (2)3(3)3(4)3(5)7(6)2(7)2 Q. 21 What is the units digit of 13^35 ? Q. 22 Find the units digit of 57^30 Q. 23 Find the units digit of 34^33 Q. 24 Is 52563744 divisible by 24 ? Q. 25 If a - b = 3 and a2 + b2 = 29‚ find the value of ab
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The Left Digit Effect in Pricing Strategy: $19.99 Because $20 is Too Much! Have you ever come across price tags that have 9 endings? Have you ever bought those merchandise with 9 endings thinking that was the best deal and ended up with an enormous bill? Do you notice that the 9 endings are usually printed in a much smaller size than the digits on the left? This is a result of a psychological concept called “The Left Digit Effect” in which people tend to pay more attention to the left-most digits
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2013/2014 ACADEMIC SESSION LECTURER-IN-CHARGE: PROF. B. A. OLUWADE CSC 403: NUMERICAL COMPUTATION II (with MATLAB) TUTORIAL QUESTIONS 1 (a) What do you understand by the Euler method ? (b) Let y/ = 3y + 1 y(0) = 2 be an initial value problem. Using Euler method‚ present an approximation of y(5) using a step size of 1. 2 (a) State Simpson’s rule. (b) Write MATLAB code for finding the numerical approximation of a definite integral using (a) above. 3 (a) Write the
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Numerical Methods Questions 1 f(x) = x3 – 2x – 5 a) Show that there is a root β of f(x) = 0 in the interval [2‚3]. The root β is to be estimated using the iterative formula ‚2 5 2 0 2 1 1 = =++ x x x n n b) Calculate the values of x1‚ x2‚ x3‚ and x4‚ giving your answers to 4 sig fig. c) Prove that‚ to 5 significant figures‚ β is 2.0946 2 Use the iterative formula n n n cox x x − =+ 1 1 With x1 = 0.5 to find the limit of the sequence x1‚ x2‚ x3
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The Islamic University of Gaza Faculty of Engineering Civil Engineering Department Numerical Analysis ECIV 3306 Chapter 1 Mathematical Modeling 10:51:09 PM Part one : Approximation and Errors Specific Study Objectives • Recognize the difference between analytical and numerical solutions. • Recognize the distinction between truncation and round-off errors. • Understand the concepts of significant figures‚ accuracy‚ and precision. • Recognize the difference between true relative error
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CHENNAI INSTITUTE OF TECHNOLOGY Sarathy Nagar‚ Kundrathur‚ Pudupedu‚ Chennai– 600 069. Department of Mathematics Subject Name: Numerical Methods Subject Code: MA1251 Unit I 1) Write the Descartes rule of signs Sol: 1) An equation f ( x) = 0 cannot have more number of positive roots than there are changes of sign in the terms of the polynomial f ( x) . 2)An equation f ( x) = 0 cannot have more number of positive roots than there are changes of sign in the terms of the polynomial f
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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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Schrödinger’s equation by numerical integration Abstract The aim of this program is to solve Schrödinger’s equation via a numerical method and to compare our results with the analytical result. The harmonic oscillator potential was taken as the potential in the equation. This was used because the solutions to this one dimensional system are well known‚ and an analytic solution is relatively easy to program. The idea is that once we have verified that our numerical approach works for this
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BE01106 - BUSINESS STATISTICS ASSIGNMENT – PART I SEMESTER 2‚ 2014 _________________________________________________________________________ The complete BEO1106 assignment (all three parts) accounts for 20% of the overall assessment in the unit. This first part of the BEO1106 assignment is to be completed in your own time and must be submitted for correction in the tutorial of week 6. No time extensions will be granted although special consideration applications may be accepted from students
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