Basic Mathematics for College Students

322 Chapter 4 Decimals Success Tip Writing additional zeros after the last digit to the right of the decimal point does not chan ...

4.1 An Introduction to Decimals 323 EXAMPLE (^7) Chemistry A student in a chemistry class uses a digital balance to weigh a comp ...

There are many situations in our daily lives that call for rounding amounts of money. For example, a grocery shopper might round ...

72. 31958 325 a.ninety-eight and six tenths, 98 106 b.two hundred twenty-four and seven thousand 4.1 An Introduction to Decima ...

NOTATION Fill in the blanks. The columns to the right of the decimal point in a decimal number form its fractional part. Their ...

Graph each number on a number line.See Example 6. 0.8, 4.5, 62. 0.6, 3.5, 63. 2.75, 64. 4.15, Round each decimal number to the ...

NASCAR The closest finish in NASCAR history took place at the Darlington Raceway on March 16, 2003, when Ricky Craven beat Kurt ...

MICROSCOPES A microscope used in a lab is capable of viewing structures that range in size from 0.1 to as small as 0.0001 centi ...

330 Chapter 4 Decimals WRITING Explain the difference between ten and one-tenth. “The more digits a number contains, the larger ...

hundredths are added to hundredths, tenths are added to tenths, ones are added to ones, and so on. We write the decimal point in ...

332 Chapter 4 Decimals Carry a 2 (shown in blue) to the ones column. Carry a 2 (shown in green) to the tens column. Write the de ...

it lines up with the decimal points in the minuendand subtrahend.For example, to find we proceed as follows: Ones column Tenths ...

334 Chapter 4 Decimals EXAMPLE (^3) Subtract 13.059 from 15.4. StrategyWe will translate the sentence to mathematical symbols an ...

4.2 Adding and Subtracting Decimals 335 3 Add and subtract signed decimals. To add signed decimals, we use the same rules that w ...

336 Chapter 4 Decimals SolutionThe number to be subtracted is 5.9. Subtracting 5.9 is the same as adding its opposite, Change th ...

4.2 Adding and Subtracting Decimals 337 Solution a. The estimate is 690. If we compute , the sum is 694.7. We can see that the e ...

338 Chapter 4 Decimals Analyze The18-gauge stainless steel is 0.0500 inch thick. Given The 20-gauge stainless steel is 0.0375 i ...

4.2 Adding and Subtracting Decimals 339 SolveTo evaluate , we work from left to right and perform the subtraction first, then th ...

Fill in the blanks to rewrite each subtraction as addition of the opposite of the number being subtracted. a. b. c. Fill in the ...

Subtract 5.9 from 7.001. Find the sum of two and forty-three hundredthsand five and six tenths. ...