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Week 2 1.

Question :

Multiply. 1B7twelve x 29twelve

2.

Question :

Find the value of 327 in the mod 7 system.

3.

Question :

Determine the place value of the digit 8 in the number 3,684,159.

4.

Question :

Evaluate (3 + 4) + 1 in the mod 5 system.

5. Question : An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 86%, 77%, and 64% on the first three exams, what is the lowest score she can get on the fourth exam to receive credit for the course?

6.

Question :

Solve the equation. 2x - 4 = -10

7.

Question :

Convert 1111two to base ten.

8. Question : number.

Three times a number is 10 less than five times the number. Find the

9.

Find the value of y in the mod 9 system.

Question :

5xy=4

10. Question : statement?

Which property of the real numbers is illustrated by the following

(18 + 3) + 14 = 18 + (3 + 14)

11.

Question :

Find the LCM of 18, 28, and 48.

12.

Question :

Write 426 in expanded notation.

13.

Question :

Convert 11010two to base ten.

14.

Question :

Solve the inequality: x + 14 < -11

15.

Question :

Evaluate (2 x 4) x 2 in the mod 5 system.

16. Question : Dorothy is 6 years older than Ricardo. The product of their present ages is twice what the product of their ages was 6 years ago. How old is Dorothy?

17.

Question :

Write CDIX in the Hindu-Arabic system.

18.

Question :

Evaluate. 7-3

19.

Question :

20. Question : statement?

Find the LCM of 4 and 20.

Which property of the real numbers is illustrated by the following

-6(17 + 14) = -6(17) + (-6)(14)