Math 081 W2010 Exam 1 Ch 1V01 Preparation Dressler. Name. Write the whole number in words. 9) 9,300,695

Transcription

1 Math 081 W2010 Exam 1 Ch 1V01 Preparation Dressler Name Determine the place value of the digit 3 in the whole number. 1) 2530 Write the whole number in words. 9) 9,300,695 10) 4,200,091 2) 30,542 11) Jennilee has 30,000 frequent flier miles. 3) 25,304,168 12) Paul has the number 24,730,208 showing on his calculator display. 4) 30,500,421 5) 1392 Write the whole number in standard form. 13) Eight thousand, one hundred sixty-seven 6) 403,681,295 14) Seven thousand, six 7) 463,981 15) One hundred million, six thousand 8) 45,271,903 16) Last year the population of a city increased by two thousand, one hundred eight. 1

2 Write the whole number in expanded form. 17) 926 Find the perimeter. 26) 95 meters 38 meters Rectangle 18) 37,965 19) ) 22 ft 11 ft 20) 31, ft 21) 70,620 28) 57 inches 89 inches 101 inches 22) 32,501, inches Add. 23) Solve. 29) What is 665 increased by 43? 24) ) ) Andre is installing an invisible fence in his back yard which measures 102 feet by 66 feet by 85 feet by 93 feet. How many feet of wiring is needed to enclose his yard? 2

3 Subtract. Check by adding. 31) Solve. 37) Subtract 8 from ) Find the difference of 52 and 8. 32) ) ) Carla is trading her car in on a new car. The new car costs $27,025. Her car is worth $7998. How much more money does she need to buy the new car? 34) ) The population of Harlowe County is 1,181,308. The population of Marshall County is 281,839. The population of Irving County is 143,693. How much greater is the population of Harlowe County than Irving County? 35) Round the whole number to the given place value. 41) 45 to the nearest ten 42) 28,811 to the nearest hundred 36) ) 56,411 to the nearest thousand 44) 45,840,417 to the nearest million 3

4 Estimate the sum or difference by rounding each number to the nearest ten. 45) Solve the problem by estimating. 50) Andy wants to buy a refrigerator for $799, a stove for $859, and a dishwasher for $349. Round each cost to the nearest hundred to estimate the total cost. 51) Linda scored 82, 75, 80, 88, 64, and 100 on her calculus tests. Round each score to the nearest ten to estimate her total score. 46) 47) ) A local hot dog stand sells 224 hotdogs on an average day. Estimate how many hotdogs they sold in the last 227 days. Round the number of hotdogs and the number of days to the nearest ten. Use the distributive property to rewrite the expression. 53) 6(8 + 7) Estimate the sum or difference by rounding each number to the nearest hundred. 48) ) 8(12 + 9) 55) 5(7 + 3) 49) ) 12(1 + 10) 57) 27( ) 4

5 Multiply. 58) ) ) ) 85, ) 27 40,000 60) Find the area of the rectangle. 69) 8 ft 61) ft 62) (88)(574)(0) 70) 13 cm 63) (46)(585)(0) 13 cm 64) (41)(102)(0) 65)

6 Solve. 71) Find the product of 7 and 702. Divide. 79) ) The seats in a lecture hall are arranged in 15 rows with 6 seats in each row. Find how many seats are in this room. 80) ) A company rents a mid-size car at $303 per month for six months. What is the cost for the car rental during this time? 81) 44 39,160 82) 3 27 Divide and then check by multiplying. 74) 10 2 Solve. 83) Find the quotient of 238 and 8. 75) ) Find the quotient of 221 and 5. 76) ) Amy teaches Chinese lessons for $85 per student for a 6-week session. From one group of students, she collects $3485. Find how many students are in the group. 77) 4 0 Find the average of the list of numbers. 86) 44, 30, 13, 8, 37, 12 78) ) 48, 52, 49, 53, 80, 47, 49 6

7 Solve. 88) A programmer picks up a rental car that has an odometer reading of 14,977 miles on it. When he returns it, the odometer reads 15,516 miles. How many miles did he drive the rental car? Write using exponential notation. 94) ) ) A 12-ounce can of tomato soup is priced at $0.72. What is the unit price per ounce? 96) ) A store has gross revenues of $7575, $5441, $7056, and $6736 in its first four weeks of business. What was the gross revenue for those four weeks? Evaluate. 97) 92 91) A store orders 13 cases of action figures. Each case contains 106 action figures. How many action figures did the store order? 98) 62 99) ) Ian had a balance of $62 in his checking account. Since then he made deposits of $152, $465 and $374 and wrote checks for $56, $122, $231, and $335. When all of the deposits are recorded and all of the checks clear, what will balance will he have in his checking account? 100) ) Jara had a balance of $71 in his checking account. Since then he made deposits of $146, $337 and $389 and wrote checks for $62, $132, $190, and $161. When all of the deposits are recorded and all of the checks clear, what will balance will he have in his checking account? 101) ) 200 7

8 Find the square root. 103) ) ) ) ) 1 114) ) ) ) ) 1 117) ) ) {18 [8 - (3 + 2)]} 109) 0 119) {3 [18 - (5 2)]} 110) 100 Simplify. 111) ) (16-8)

9 Answer Key Testname: E01PREPCH01V01 1) Tens 2) Ten-thousands 3) Hundred-thousands 4) Ten-millions 5) Hundreds 6) Millions 7) Thousands 8) Ones 9) Nine million, three hundred thousand, six hundred ninety-five 10) Four million, two hundred thousand, ninety-one 11) Thirty thousand 12) Twenty-four million, seven hundred thirty thousand, two hundred eight 13) ) ) 100,006,000 16) ) ) 30, ) ) 30, ) 70, ) 30,000, ,000, , ) ) 16,582 25) 15,113 26) 266 meters 27) 56 ft 28) 371 in. 29) ) 346 feet 31) 22 32) ) ) 54 35) ) ) 47 38) 44 39) $19,027 40) 1,037,615 41) 50 42) 28,800 43) 56,000 44) 46,000,000 45) ) ) ) ) ) $2000 9

10 Answer Key Testname: E01PREPCH01V01 51) ) 50,600 53) ) ) ) ) ) ) 765,846 60) 16,344 61) 2,561,315 62) 0 63) 0 64) 0 65) ) 21,000 67) 24,000 68) 1,080,000 69) 128 sq ft 70) 169 sq cm 71) ) 90 seats 73) $ ) 5 75) Undefined 76) 3 77) Undefined 78) 0 79) 56 80) ) ) 9 83) 29 R 6 84) 44 R 1 85) 41 students 86) 24 87) 54 88) ) $0.06 per ounce 90) $26,808 91) ) $309 93) $398 94) 62 95) 84 96) ) 81 98) 36 99) 10,000 10

11 Answer Key Testname: E01PREPCH01V01 100) 1 101) ) 1 103) 7 104) ) 1 106) ) 1 108) ) 0 110) ) ) ) ) ) ) ) Undefined 118) ) ) 2 11