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1. |
In the expression 23, 2 is called the _____. |
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A. |
exponent |
B. |
perfect square |
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C. |
base |
D. |
square root |
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Hint |
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2. |
In the expression 25, 5 is called the _____. |
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A. |
perfect square |
B. |
base |
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C. |
exponent |
D. |
square root |
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Hint |
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3. |
Simplify  . |
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A. |
-2c2 |
B. |
-2a4b4c2 |
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C. |
 |
D. |
-2a4c2 |
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Hint |
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4. |
A tiny virus has a width of 10-6 millimeter. How many of the tiny viruses could fit across the head of a pin 1 millimeter in diameter? |
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A. |
106 |
B. |
-61 |
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C. |
16 |
D. |
10-6 |
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Hint |
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5. |
The speed of light is about 3 × 108 meters per second. How far would a beam of light travel in 5 seconds? Express the answer in scientific notation. |
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A. |
1.5 × 109 m |
B. |
1.5 × 106 m |
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C. |
1.5 × 1010 m |
D. |
1.5 × 105 m |
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Hint |
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6. |
The best whole number estimate for  is _____. |
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A. |
10 |
B. |
9.5 |
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C. |
8 |
D. |
9 |
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Hint |
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7. |
The measures of three sides of a triangle are given. Determine which triangle is a right triangle. |
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A. |
1 ft, 2 ft, and 2 ft |
B. |
2 m, 3 m, and 4 m |
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C. |
3 cm, 4 cm, and 5 cm |
D. |
16 in., 18 in., and 20 in. |
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Hint |
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8. |
Simplify the expression (jk)(2k)(3jk5). |
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A. |
5j3k7 |
B. |
5j2k5 |
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C. |
6j2k5 |
D. |
6j3k7 |
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Hint |
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9. |
Simplify the expression  . |
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A. |
m-5 |
B. |
m21 |
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C. |
m5 |
D. |
m1.625 |
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Hint |
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10. |
Express 5 gigabytes in scientific notation. |
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A. |
5 × 106 bytes |
B. |
5 × 109 bytes |
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C. |
5 × 10-6 bytes |
D. |
5 × 10-9 bytes |
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Hint |
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11. |
Simplify the expression  . |
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A. |
14 |
B. |
8 |
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C. |
12 |
D. |
20 |
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Hint |
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12. |
The area equation of a circle can be rewritten as r =  where r is the radius and A is the area. If the area of a circle is 3600 square inches, find the radius. |
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A. |
34 in. |
B. |
60 in. |
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C. |
30 in. |
D. |
52 in. |
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Hint |
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13. |
Estimate the square root  . |
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A. |
196 |
B. |
13 |
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C. |
14 |
D. |
169 |
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Hint |
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14. |
Antonia wants to make a garden that is perfectly rectangular and has a length of 8 feet and width of 6 feet. What would the diagonal distance from the corners have to be for the garden to be perfectly rectangular? |
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A. |
10 ft |
B. |
6.93 ft |
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C. |
5.29 ft |
D. |
14 ft |
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Hint |
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