Basic Mathematics for College Students

362 Chapter 4 Decimals Success Tip When dividing decimals, moving the decimal points the same number of places to the right in b ...

4.4 Dividing Decimals 363 Success Tip To round a quotient to a certain decimal place value, continue the division process one mo ...

Note that the quotients, 0.813 and 81.3, and the dividend, 8.13, are the same except for the location of the decimal points. The ...

4.4 Dividing Decimals 365 WHYIn part a, the divisor is positive and the dividend is negative. In part b, both Now TryProblems 51 ...

366 Chapter 4 Decimals 8 Evaluate formulas. EXAMPLE 10 Evaluate the formula for and. StrategyIn the given formula, we will repla ...

Recall that the arithmetic mean,or average,of several numbers is a value around which the numbers are grouped. We use addition a ...

368 Chapter 4 Decimals “In considering all of the factors that are important to employers as they recruit students in colleges a ...

Move the decimal point in the divisor and the dividend the same number of places so that the divisor becomes a whole number.You ...

Divide.See Example 8. Evaluate each expression.See Example 9. Evaluate each formula.See ...

HOURLY PAY The graph below shows the average hours worked and the average weekly earnings of U.S. production workers in manufac ...

1 Explain why multiplying by the form of 1 shown below moves the decimal points in the dividend, 4.86, and the divisor, 0.2, on ...

In parts a, b, and c of Example 1, the division process ended because a remainder of 0 was obtained. When such a division termin ...

1 that a block of digits repeats in the pattern shown. Repeating decimals can also be written using a bar over the repeating blo ...

4.5 Fractions and Decimals 375 SolutionTo write as a fraction, we find. Since the whole-number part of the decimal must be the s ...

376 Chapter 4 Decimals WHYOnce we detect a repeating pattern of remainders, the division process can stop. Solution means. We ca ...

4.5 Fractions and Decimals 377 EXAMPLE (^6) Write as a decimal and round to the nearest hundredth. StrategyWe will use the metho ...

378 Chapter 4 Decimals Using Your CALCULATOR The Fixed-Point Key After performing a calculation, a scientific calculator can rou ...

4.5 Fractions and Decimals 379 EXAMPLE (^9) Write the numbers in order from smallest to largest: 2.168, , StrategyWe will write ...

Written in order from smallest to largest, we have : , 2.168, 20 9 2 1 6 380 Chapter 4 Decimals To make the comparison of the th ...

4.5 Fractions and Decimals 381 SolutionWe have seen that the decimal equivalent of is the repeating decimal 0.333....Rounded to ...