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# Algebra problems on rounding decimals

Identify the letter of the choice that best completes the statement or answers the question.

____ 1. Round off 345.0149 to three decimal places.
a. 345.015
b. 345.01
c. 345
d. None of the above

For questions 2 through 5 use the following values of X: 1, 7, 0, 8 and -6

____ 2. &#8721;&#935;
a. 28
b. 10
c. 22
d. None of the above

____ 3. &#8721;&#935;2
a. 150
b. 200
c. -200
d. None of the above

____ 4. (&#8721;&#935;2)
a. 100
b. 200
c. -200
d. None of the above

____ ____ 5. &#8721;(&#935;-2)
a. 2
b. -2
c. 2 or -2
d. None of the above

For question 6 use the following values of X: 12, 10, 5 and Y: 2, -1, 5

____ 6. &#8721;XY
a. 33
b. 39
c. 162
d. None of the above
____ 7. Based on the table, formula below, and the fact k=3, =?
a. 2 1/3 or 2.3
b. 3.13
c. 4 2/3 or 4.67
d. None of the above
ki ei fi
1 1 0
2 3 4
3 1 2
4 5 3
5 2 2

____ 8. (-8X-8) + (-(-8)) =?
a. 72
b. 64
c. -72
d. None of the above

____ 9. Evaluate the following expression:

a. 65
b. -65
c. 32.5
d. None of the above

____ 10. X(X4)(X2) is the equivalent to
a. 7X
b. 2X6
c. X7
d. None of the above

____ 11. X1/2 equals:

a. 1/x
b. 1/X2
c.

d. None of the above

____ 12. 5-4 equals

a. 625
b. -625
c. .0016
d. None of the above

____ 13. equals?

a. 1
b. .7
c. 7
d. None of the above

____ 14. 0! equals?
a. 0
b. 1
c. Undefined
d. None of the above

____ 15. Solve for X: 12-5x=-8
a. -1
b. 4
c. -4
d. None of the above

____ 16. Solve for X:
a. -1
b. 4
c. -4
d. None of the above
____ 17. Solve for X:
a. 6
b. 5
c. 12
d. None of the above

____ 18. Solve for X:

a. 5
b. 100
c. -5
d. None of the above

____ 19. Solve for X: -4X+16Y = -24

a. 6
b. 4Y+6
c. 24+16Y
d. None of the above

____ 20. equals?

a. 9
b. 81
c. -9
d. None of the above

See attached file for full problem description.

#### Solution Preview

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Multiple Choice (20 questions)

Identify the letter of the choice that best completes the statement or answers the question.

____ 1. Round off 345.0149 to three decimal places.

a

a. 345.015
b. 345.01
c. 345
d. None of the above

For questions 2 through 5 use the following values of X: 1, 7, 0, 8 and -6

____ 2. &#8721;&#935;

b
a. 28
b. 10
c. 22
d. None of the above

____ 3. &#8721;&#935;2

a

a. 150
b. 200
c. -200
d. None of the above

4. ...

#### Solution Summary

I have provided solutions to these basic algebra problems.

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