TO EARN ANY CREDIT, YOU MUST SHOW STEPS LEADING TO THE ANSWER

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1 Prof. Israel N. Nwaguru MATH 0306 CHAPTER 5 - REVIEW WORKOUT EACH PROBLEM NEATLY AND ORDERLY ON SEPARATE SHEET THEN CHOSE THE BEST ANSWER TO EARN ANY CREDIT, YOU MUST SHOW STEPS LEADING TO THE ANSWER SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Write a word name for the number in the sentence. 1) The average cost of an Ink Jet Printer is $ Answer: Three hundred seventy-five and seven hundredths Page Ref: Objective: (5.1) a: Write Word Name for Decimal Notation in Sentence Write in words, as on a check. 2) $ Answer: Three hundred eighty-five and dollars Page Ref: Objective: (5.1) a: Write Word Name for Amount of Money Write the number as a fraction. Do not simplify. 3) Answer: Page Ref: Objective: (5.1) b: Convert from Decimal Notation to Fraction Notation Write decimal notation. 4) Answer: -6.3 Page Ref: Objective: (5.1) b: Convert from Fraction Notation to Decimal Notation 5) Answer: Page Ref: Objective: (5.1) b: Convert from Fraction Notation to Decimal Notation 1

2 Which number is larger? 6) -0.92, Answer: Page Ref: 328 Objective: (5.1) c: Tell Which Number is Larger 7) 0.833, 0.93 Answer: 0.93 Page Ref: 328 Objective: (5.1) c: Tell Which Number is Larger Solve the problem. 8) Round to the nearest tenth. Answer: 10.2 Page Ref: 329 Objective: (5.1) d: Round Decimal to Nearest Tenth/Hundredth/Thousandth 9) Round to the nearest hundredth. Answer: 1.77 Page Ref: 329 Objective: (5.1) d: Round Decimal to Nearest Tenth/Hundredth/Thousandth 10) Round to the nearest thousandth. Answer: Page Ref: 329 Objective: (5.1) d: Round Decimal to Nearest Tenth/Hundredth/Thousandth Add. 11) Answer: Page Ref: Objective: (5.2) a: Add Vertically Using Decimal Notation 12) Answer: Page Ref: Objective: (5.2) a: Add Horizontally Using Decimal Notation Subtract. 13) Answer: Page Ref: Objective: (5.2) b: Subtract Vertically Using Decimal Notation 2

3 14) Answer: Page Ref: Objective: (5.2) b: Subtract Vertically Using Decimal Notation 15) Answer: Page Ref: Objective: (5.2) b: Subtract Horizontally Using Decimal Notation Add or subtract, as indicated. 16) (-6.211) Answer: Page Ref: Objective: (5.2) c: Add or Subtract Signed Decimals Combine like terms. 17) 3.4x x Answer: 18.1x Page Ref: 336 Objective: (5.2) d: Combine Like Terms with Decimal Coefficients Multiply. 18) Answer: Objective: (5.3) a: Multiply Vertically Using Decimal Notation 19) Answer: Objective: (5.3) a: Multiply Decimals (One Number is 10^n) 20) Answer: Objective: (5.3) a: Multiply Decimals (One Number is 10^n) 21) 1.3(-5.77) Answer: Objective: (5.3) a: Multiply Signed Decimals 3

4 Convert from dollars to cents. 22) $99.58 Answer: 9958 Objective: (5.3) b: Convert from Dollars to Cents Convert from cents to dollars. 23) 2 Answer: $0.02 Objective: (5.3) b: Convert from Cents to Dollars 24) 7054 Answer: $70.54 Objective: (5.3) b: Convert from Cents to Dollars Convert the number in the sentence to standard notation. 25) In 2001, the total value of imports and exports for a certain country was $ billion. Answer: $318,160,000,000 Objective: (5.3) b: Convert Large Number to Standard Notation Solve the problem. 26) Evaluate P + Prt, for P = 2000, r = 0.06, and t = 4.5. Answer: 2540 Page Ref: Objective: (5.3) c: Evaluate Algebraic Expression Using Decimal Notation Divide. 27) Answer: 17.6 Objective: (5.4) a: Divide Decimal by Integer (Decimal Quotient) 28) Answer: 95 Objective: (5.4) a: Divide Decimal by Decimal 29) Answer: 700 Objective: (5.4) a: Divide Decimal by Decimal 4

5 30) Answer: Objective: (5.4) a: Divide Decimal by Power of Ten Simplify. 31) ( ) 15 Answer: Page Ref: Objective: (5.4) b: Use Order of Operations with Decimals I 32) (6-0.8) Answer: Page Ref: Objective: (5.4) b: Use Order of Operations with Decimals II Find decimal notation. 3 33) 16 Answer: Objective: (5.5) a, c: Convert Fraction to Terminating Decimal 34) Answer: 0.76 Objective: (5.5) a, c: Convert Fraction to Terminating Decimal 35) Answer: 0.73 Objective: (5.5) a, c: Convert Fraction to Repeating Decimal Find decimal notation, rounded as indicated. 36) 14 ; round to the nearest hundredth. 15 Answer: 0.93 Objective: (5.5) b: Convert Fraction to Decimal, Round Answer 5

6 Calculate and write the result as a decimal. 37) Answer: Page Ref: Objective: (5.5) d: Simplify Expression with Both Fraction and Decimal Notation Estimate by rounding as directed. 38) ; nearest tenth Answer: 9.0 Page Ref: Objective: (5.6) a: Estimate Sum or Difference Solve. 39) x = 35.8 Answer: 18.9 Page Ref: 376 Objective: (5.7) a: Solve Equation Involving Decimals (One Step) 40) 18 y = Answer: 0.71 Page Ref: 376 Objective: (5.7) a: Solve Equation Involving Decimals (One Step) 41) 5x - 3 = 20 Answer: 4.6 Page Ref: 376 Objective: (5.7) a: Solve Equation Involving Decimals (Two Steps) Write the number as a mixed numeral. Do not simplify. 42) 11.6 Answer: Page Ref: Objective: (5.1) b: Convert from Decimal Notation to Mixed Numeral Solve the problem. 43) At the beginning of the summer, Jon was 57.4 inches tall. By the end of the summer, he had grown 1.5 inches. What was his height at the end of the summer? Answer: 58.9 in. Page Ref: Objective: (5.8) a: Solve Apps: Add Decimals 44) Bobby's subtotal at Scramble's Electronics is $ The sales tax on these items is $1.89. What was Bobby's total bill? Answer: $19.86 Page Ref: Objective: (5.8) a: Solve Apps: Add Decimals 6

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