Algebra: A Combined Approach, 4th Edition (Martin-Gay by Elayn Martin-Gay

By Elayn Martin-Gay

Elayn Martin-Gay firmly believes that each pupil can be successful, and her developmental math textbooks and video assets are prompted through this trust. Algebra: A mixed process, Fourth version was once written to supply scholars with a fantastic beginning in algebra and support them successfully transition to their subsequent arithmetic direction. the recent version bargains new assets just like the pupil Organizer and now contains pupil assets behind the e-book to assist scholars on their quest for fulfillment.

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48 Solution: a. 1 11 4 10 3 2. 1 5 0 - 1 1. 2 3 7 2 0. 9 1 3 b. 6 9 9 10 7 0. 0 0 - 0. 4 8 6 9. 5 2 Work Practice 5 Now let’s study the following product of decimals. Notice the pattern in the decimal points. 018 " c 3 decimal places In general, to multiply decimals, follow the steps below. To Multiply Decimals Step 1: Multiply the decimals as though they are whole numbers. Step 2: The decimal point in the product is placed so that the number of deciAnswers 4. a. 978 5. a. 248 b. 82 b. 81 mal places in the product is equal to the sum of the number of decimal places in the factors.

Place the decimal point in the sum or difference so that it lines up vertically with the decimal points in the problem. 02 7 10 2. 8 0 -1. 0 4 1. 7 6 25. 7 3 2 Step 1. Multiply the decimals as though they are whole numbers. Step 2. The decimal point in the product is placed so that the number of decimal places in the product is equal to the sum of the number of decimal places in the factors. TO DIVIDE DECIMALS Step 1. Move the decimal point in the divisor to the right until the divisor is a whole number.

To multiply two fractions, we write # = b d 6. Two numbers are fractions. of each other if their product is 1. a c 7. To divide two fractions, we write , = b d 8. a#c b#d least common denominator (LCD) a c + = b b . and a c = b b . 9. The smallest positive number divisible by all the denominators of a list of fractions is called the . 10. The LCD for 1 5 and is 6 8 . 2 Exercise Set Objective F O R EXTR A H E LP Simplify by dividing the numerator by the denominator. See Examples 1 through 6. 1.

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