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1. |
Choose a tens digit for 2?6 so that the three-digit number is divisible by 6. |
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A. |
3 |
B. |
0 |
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C. |
2 |
D. |
1 |
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Hint |
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2. |
Write x6 as a multiplication expression. |
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A. |
6x |
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B. |
6 · 6 · 6 · 6 · 6 · 6 |
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C. |
 |
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D. |
x · x · x · x · x · x |
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Hint |
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3. |
In the expression (-4)2, -4 is called the ______. |
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A. |
power |
B. |
exponent |
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C. |
product |
D. |
base |
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Hint |
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4. |
The number 63 is an example of a ______. |
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A. |
composite number |
B. |
prime factorization |
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C. |
factor tree |
D. |
prime number |
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Hint |
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5. |
What is the complete factorization of -168? |
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A. |
-1 · 23 · 3 · 7 |
B. |
-1 · 2 · 3 · 4 · 7 |
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C. |
-1 · 2 · 32 · 7 |
D. |
-1 · 2 · 3 · 7 |
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Hint |
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6. |
What is the greatest common factor of 18mn2, 54m4, and 80n3? |
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A. |
2 |
B. |
18m2n3 |
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C. |
9mn |
D. |
2mn2 |
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Hint |
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7. |
The number 250 is divisible by which number(s) from the following list? 2, 3, 5, 6, or 10 |
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A. |
2, 5, and 10 only |
B. |
2, 3, and 6 only |
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C. |
All of 2, 3, 5, 6, and 10 |
D. |
5 and 10 only |
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Hint |
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8. |
The area of a rectangle can be written by the expression 24x4+ 18x3. Find a set of possible dimensions for this rectangle. |
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A. |
6x3 by 4x + 3 |
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B. |
2x4by 12 + 9x |
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C. |
24x3 by x + 18 |
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D. |
3 by 8x3 + 6x3 |
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Hint |
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9. |
Which fraction is  written in simplest form? |
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A. |
 |
B. |
Already simplified |
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C. |
x2yz |
D. |
 |
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Hint |
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10. |
Four inches is what part of 1 yard? Write you answer as a fraction in simplest form. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Find 63 · 62. |
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A. |
366 |
B. |
365 |
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C. |
66 |
D. |
65 |
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Hint |
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12. |
Find (14b5)(-1b6). |
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A. |
14b11 |
B. |
-14b30 |
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C. |
-14b11 |
D. |
14b30 |
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Hint |
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13. |
Write  as an expression using a negative exponent. |
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A. |
 |
B. |
2-6 |
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C. |
-26 |
D. |
 |
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Hint |
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14. |
Evaluate x-4 if x = 3. |
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A. |
-81 |
B. |
81 |
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C. |
 |
D. |
 |
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Hint |
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15. |
Express 3.456 × 10-4 in standard form. |
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A. |
34,560 |
B. |
0.003456 |
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C. |
0.0003456 |
D. |
0.3456 |
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Hint |
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16. |
Express 35,329 in scientific notation. |
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A. |
3.5329 × 104 |
B. |
35.329 × 103 |
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C. |
3.5329 × 105 |
D. |
3.5329 × 10-4 |
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Hint |
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