# math

Could someone double check my answers.
1. Write the number in expanded form
684

2.Give the place value for the indicated digit
8 in the number 138,350

3. Write the following in the standard form of a number
Four hundred sixty thousand, two hundred sourty-eight

4. Name the property of addition that is illustrated.
4+3=3+4

23,132 + 54,055

6. Find the number that is 432 more than 1,443

2,580+675+36

8. Do the indicated subtraction
44,377-25,058

9. Turner agrees to buy a boat for 2,800 down and \$129 a month for 48 month. What is the total cost of the boat.

10. Estimate the result in the following divisors problem. ( Remember to round divisors to the nearest ten and dividends to the nearest hundreds).

11. You wish to cover a bathroom floor with 1-square foot(1-ft2) tiles that cost \$2 each. If the bathroom is rectangular,6 ft by 7 ft, how much will the cost?

12. Choose the correct list of the factors of the number

12. Choose the correct list of prime numbers between 10 and 30

13. Choose the correct prime factorization of the number 117

14.Choose the correct greatest common factor of 16 and 24

15. Are 3/21 and 5/34 equivalent fractions?

16. Divide 4 1/5 /14. Write the result in simple form

17. Find the reciprocal of 8/3

18. A computer can excute 64 instructions per microsecond. How many instructions can it execute in 10 minute?

19. You make \$140 a day on a job. What will you receive for working 3/4 day?

21. Multiply 3 1/6 x 9/11 x 6/17. Write your answer in simple form

22. Evalute 120 cal/g x4 4 g. Be sure to use the proper units

23. Divide 6/25 / 2/15. Write the result in simplest form

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1. up to 10 ok
#10 makes no sense

#12 ???
you have two #12's
for the prime number one, you forgot prime 23

#14 , 8 divides into both of your numbers

Ps: could you not have checked most of these yourself with a calculator?

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2. aqyznjcxt tpyunzlx iljwexzo oduabgk ldbqzr uwepxqz jfgcdmp

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3. choose the correct prime factorization of the number 117

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