Zero is a number and a digit used in mathematics to represent that number in numerals. Zero is not a natural number but it is the smallest whole number. There are two important uses of zero. Firstly‚ in place value number system it is used as empty place indicator. Hence‚ in this number‚ 5102‚ the positions of 5 and one are correct just because of the inclusion of zero. Five is denoting a thousandth place value. Similarly if we omit zero from 5102 that is 512‚ then 5 denote a hundredth place value
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Edexcel IGCSE Maths 2 Answers to activities and exercises Unit 1 NUMBER 11 ACTIVITY 1 Time (h) Speed (km/h) 1 160 2 80 4 40 6 26.7 7 22.9 8 20 EXERCISE 1 1 a 4 days 2 3 4 5 6 7 8 a a a a a a a 28 days 8 men 12 people 60 years 40 000 men 12 hours 32 km/litre b 2 days b b b b b b b 6 days 16 men 8 people 15 years 20 000 men 72 km/h 20 litres c 2 c c c c c 2 days 3 4.8 days 32 men 6 people 1200 years 400 men EXERCISE 1* 1 a Number of light bulbs (N) 6 5 2 30 b 3000 = NP 2 a Number of
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IGCSE ECONOMICS NOTES The economic problem (Ch. 1) - All materials on the earth (resources) are scarce (scarcity). - Resources are used to make goods and services. - Some resources like air are free. - All people have basic needs to survive i.e. food‚ air‚ water and shelter. - People want more than they need . - Wants are unlimited. - The economic problem is how to decide the allocation of scarce resources to meet unlimited wants. - Scarce resources have many alternative uses. - The cost
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company did not believe in acquiring existing companies as they thought it was not a viable option and solely focused on creating its own brand that was Infosys Consulting (ICI). This consulting unit was a wholly owned U.S based subsidiary. By the year 2006‚ this subsidiary employed over 200 employees. Through their model of low risk global delivery they accelerated their client schedules and at the same time reduced the company’s operating cost. ICI focuses on providing consulting and IT services to
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The Beauty of Mathematics | |and the Love of God! This is TOO cool! Just the math part is good enough‚ the end is even better. I bet you will NOT be able to read it without sending it on to at least one other person! |I received this e-mail and thought it was pretty cool! | Keep scrolling it gets better. ϑ Beauty of Mathematics!!!!!!! 1 x 8 + 1 = 9 12 x 8 + 2 = 98 123 x 8 + 3 = 987 1234 x 8 + 4 = 9876
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MATHEMATICS OF INVESTMENT Simple Interest If you borrow a car from a car rental company or if you live in someone else’s house or apartment‚ you have to pay rent. Like paying rent for the use of a car or a house‚ you also have to pay rent for the money you borrowed. This is called interest. People like Marco earn by charging interest on loans. Banks earn most of their income from the interest that people pay for the amounts they borrow. How much interest one has to pay depends on three factors:
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EXAMINERER TIPS for IGCSE History 0470 Good revision is not just learning your history but also how you use it to get the best grade you can. General advice Preparing to get a good grade begins as soon as you start your IGCSE course. You can prepare by: • finding out what you need to know. • organising your notes. Make a list of the topics studied under the headings ‘Core content’ and ‘Depth or Nineteenth/Twentieth Century Studies’. • knowing how your IGCSE papers are structured and practising past
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IGSCE Chemistry Notes Oxides Oxides are used to determine whether an element is a metal or a non-metal. Most non-metals are classed as acidic oxides. While most metals are classed as basicoxides. Acidic Oxides * Reacts with water to form acids * Neutralises alkaline solution to form salt + water Basic Oxides * Neutralises acidic solutions to form salt + water Amphoeteric Oxides * These are non-metals which display both acidic and basic properties Alkaline Oxides * Reacts
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MATH 101 Mathematics Autobiography Assignment My name is Casey Nicole Layton‚ and I am nineteen years of age. I was born in Pittsburgh‚ Pennsylvania on January 20th‚ 1995. My parents used to call me an ice princess when I was little‚ and they always told me the same story when I’d ask how I had acquired that name. When they tried to bring me home from the hospital‚ we got stuck in the family car during a huge blizzard and the winter chill got to me‚ and they used this fairytale-like story to explain
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hotel or campsite. You may have to discuss the following and will be given information to guide your response: * your work experience * your region * your hobbies "Pourriez-vous répéter la question s’il vous plaît?" = Could you repeat the question please? "Je ne sais pas" = I don’t know "Je ne comprends pas" = I don’t understand To answer some questions you may have to fill in: * a form * Blanks in a piece of text. For others‚ you may have to write: * a message
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