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Exam Questions — Indices. If not, go to Step 2. I used it as a test to check their level at the beginning of the chapter. View Answer. Problem 1. Geometry and Mensuration. Logarithms- Keynotes Percentages.
There are four important parts in this topic. The laws of indices. The laws of logarithms. Change the base of the logarithm. An index arises when a number is multiplied by itself several times. Do not confuse with the multiplication and additional of a number. Evaluate a.
A quantity made up of symbols together with operations is called an algebraic expression. We use the laws of indices to simplify expressions involving indices. Expand the following boxes for the laws of indices. If the two terms have the same base in this case and are to be multiplied together their indices are added. In general:. If the two terms have the same base in this case and are to be divided their indices are subtracted.
Number and Algebra : Module 31 Years : PDF Version of module. Indices provide a compact algebraic notation for repeated multiplication. Once index notation is introduced the index laws arise naturally when simplifying numerical and algebraic expressions. In many applications of mathematics, we can express numbers as powers of some given base. Our attention is then turned to the index itself.
section Logarithms section & Indices & Logarithms. Page 2. INDICES. Any expression written as a n is defined as the variable a raised to the power.
In general, , we call them as common logarithms base Surds A number which can be expressed as a fraction of integers assuming the denominator is never 0 is called a rational number. Using the multiplicative law of indices. Indices and standard form multiple choice questions and answers PDF covers MCQ quiz answers on topics: Common prefixes, division law of indices, everyday math, fractional indices, indices laws, math prefixes, multiplication law of indices, power law of indices, use of simple calculator, zero and negative indices.
Exam Style Questions Ensure you have: Pencil, pen, ruler, protractor, pair of compasses and eraser You may use tracing paper if needed Guidance 1. Read each question carefully before you begin answering it. Attempt every question.
Online aptitude preparation material with practice question bank, examples, solutions and explanations. Which of the following statements is true?
So positive integers and, and rational numbers and, we have: Index Laws. 1 To multiply powers with the same base, add the indices. aman = am+n.
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ReplyNote that all the earlier index laws also hold for negative indices. EXAMPLE. Simplify. a 8−2 b G0tpdf.
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