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?
Could someone double check my answers.
1. Write the number in expanded form
684
answer: (6x100)+(8x10)+(4x1)
2.Give the place value for the indicated digit
8 in the number 138,350
answer: thousands
3. Write the following in the standard form of a number
Four hundred sixty thousand, two hundred sourty-eight
answer: 460,248
4. Name the property of addition that is illustrated.
4+3=3+4
answer: communtative property of addition
5.Perform the idicated addition
23,132 + 54,055
answer: 77,187
6. Find the number that is 432 more than 1,443
answer: 1,875
7. perform the indicated addition
2,580+675+36
answer: 3,291
8. Do the indicated subtraction
44,377-25,058
answer: 19,319
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.
answer: $6,192
10. Estimate the result in the following divisors problem. ( Remember to round divisors to the nearest ten and dividends to the nearest hundreds).
answer: 19r4
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?
answer: $84
12. Choose the correct list of the factors of the number
answer: 1,2,4 and 8
12. Choose the correct list of prime numbers between 10 and 30
answer: 11,13,17,19,and 29
13. Choose the correct prime factorization of the number 117
answer: 3x3x13
14.Choose the correct greatest common factor of 16 and 24
answer: 2
15. Are 3/21 and 5/34 equivalent fractions?
answer: no
16. Divide 4 1/5 /14. Write the result in simple form
answer: 3/10
17. Find the reciprocal of 8/3
answer: 3/8
18. A computer can excute 64 instructions per microsecond. How many instructions can it execute in 10 minute?
answer: 384,000,000,000
19. You make $140 a day on a job. What will you receive for working 3/4 day?
answer: $105
20.Multiply 13/15 x 2/3. Write your answer in simple form
answer: 26/45
21. Multiply 3 1/6 x 9/11 x 6/17. Write your answer in simple form
answer: 1 171/187
22. Evalute 120 cal/g x4 4 g. Be sure to use the proper units
answer: 480 cal
23. Divide 6/25 / 2/15. Write the result in simplest form
answer: 4/125
3 answers
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choose the correct prime factorization of the number 117