Scientific Notation Essay

Published: 2020-02-20 19:00:30
339 words
2 pages
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Category: Addition

Type of paper: Essay

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I. Topic: Scientific Notation

II. Objectives:

To be able to fully understand the lesson, the student must learn: a. the definition of scientific notation
b. the purpose of scientific notation
c. how to make a number in scientific notation and vice versa

III. Motivation: Recalling the names of numbers by its number of zeroes

IV. Lesson Proper:

* A number is in scientific notation when it is written as N x 10n, where 1
* To add or subtract numbers in scientific notation, you first need to factor the powers of ten. Use the smaller exponent because its easier. Divide that power of ten by the other powers of ten (by the law on exponents) and multiply the whole quantity (which involves the addends) by that power of ten. Then convert the scientific notations into real numbers, add or subtract as usual, and change back into scientific notation if necessary. * Another way of adding and subtracting is to change the scientific notations into real numbers, add or subtract as usual, and change it back. * To multiply and divide numbers in scientific notation, just multiply or divide the coefficients, multiply the powers of ten (by the law of exponents), combine and change back into scientific notation.

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