Assignment:
Expanded and scientific notation
Q1. In the number 351,472, which digit tells the number of thousands?
a. 5
b. 4
c. 3
d. 1
Q2. Write expanded notation for 7205.
a. 7 thousands + 2 hundreds + 5 tens
b. 7 thousands + 2 hundreds + 5 ones
c. 7 thousands + 2 tens + 5 ones
d. 2 thousands + 7 hundreds + 5 ones
Q3. Add: 27, 504
+32, 751
a. 61,256
b. 60,255
c. 59,256
d. 59,255
Q4. Subtract: 7021
- 3567
______
a. 3454
b. 3544
c. 4563
d. 4589
Q5. Round 62, 598 to the nearest hundred.
a. 63,000
b. 62,600
c. 62,500
d. 62,000
Q6. Estimate the difference by rounding to the nearest hundred: 6238
_ 4197
______
a. 2000
b. 2040
c. 2050
d. 2100
Q7. Which of the following is true?
a. 3<2
b. 11>9
c. 4>12
d. 17<15
Q8. Multiply: 46
x85
____
a. 4500
b. 4030
c. 3910
d. 3840
Q9. Divide: 62/19,053
a. 307 R 19
b. 307 R 1
c. 300 R 3
d. 37 R 9
Q10. Solve: 32 + x=71
a. 30
b. 39
c. 43
d. 103
Q11. Solve: 13.y= 234
a. 28
b. 24
c. 19
d. 18
Q12. In 1998, there were 912,674 U.S. residents who were born in the Philippines, 744,830 who were born in Canada, and 736,971 who were born in Cuba. How many U.S. residents were born in those three countries?
a. 1,481,801
b. 1,657,504
c. 2,394,475
d. 3,139,305
Q13. There were 33,191 athletes who participated in NCAA soccer in 1997-1998. This was 4362 more than the number of athletes who participated in NCAA basketball. How many athletes participated in basketball?
a. 28,829
b. 33, 191
c. 35,372
d. 37,553
Q14. A rectangle conference table measures 72 in. by 150 in. What is the area of the table?
a. 444 in 2
b. 5400 in 2
c. 7992 in 2
d. 10,800 in 2
Q15. A box contains 5750 paper clips. How many orders can be filled from the box if each order requires 250 paper clips?
a. 23
b. 25
c. 30
d. 50
Q16. Simplify: (83-18) divided 5
a. 11
b. 13
c. 20
d. 79
Q17. Simplify: 2^3 +56 divided 7
a. 16
b. 14
c. 12
d. 9
Q18. Find the average of 93, 82, 67, and 82.
a. 85
b. 82
c. 81
d. 80
Q19. Simplify: 5x{(24-19)x[(25+23)divided 12-(9-7)]}
a. 570
b. 120
d. 50
Q20. Brandon scores four 92's, three 88's, and a 96 on his eight quizzes. Find his average.
a. 88
b. 90
c. 91
d. 92