Math

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7.Figure out the expression bellow
(7+3)x2-5
A.8
B.15
C.22
D.30
B

8.When Henry went to the pet store he noticed that there were 12 large fish tanks with goldfish.The store clerk told him that there were 107 goldfish in each tank.How many goldfish were there in all?
A.1200
B.1284
C.1296
D>1342
B?

9.Darin bought 28 feet of fencing.He used 9 3/4 feet of fencing for a flower garden and 4 5/12 feet of fencing for his tomato plants.Which expression can be used to find the amount of fencing Darin has left?
A.28 + 9 3/4 + 4 5/12
B.28 - 9 3/4 + 4 5/12
C.28 - 9 3/4 - 4 5/12
D.9 3/4 - 4 5/12
C?

10.Which shows the prime factorization of 75?
A.5^2
B.3^3x5
C.3x5^2
D.3x5^3
C?

1.Which fraction is equal to 0.61?
A.6/10
B.61/10
C.61/100
D.61/1000
C

12.Talia's Tech Store gave away memory cards with the sale of every computer on April 18.They sold 23 computers on Saturday.Which integer represents the change in the number of memory cards Talia's Tech Store had at the end of day Saturday?
A.-23
B.-18
C.18
D.23
A?

  • Math -

    All are right except for 10.

  • Math -

    I'll rewrite the answer choices for number 10
    A.5^3
    B.3^2x5
    C.3x5^2
    D.3x5^3
    Is it C ?

  • Math -

    Yes, C is correct for # 10.

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