# Project #62877 - Math 105 Quiz 2

Question

1  of 20

Perform the operation and give the answer as a fraction in lowest terms.

Question

2  of 20

Express the number in scientific notation.

0.000875

8.75 × 10-5

8.75 × 10-4

8.75 × 10-3

8.75 × 104

Question

3  of 20

Determine whether the activity can be used to illustrate the given property.

Opening the door and letting the dog out

Does the commutative property hold?

 Yes No

4  of 20

Perform the operation and give the answer as a fraction in lowest terms.

 1

5  of 20

Perform the indicated operation and express the answer in scientific notation.

(0.009) × (6,000,000)

 5.4 × 10-18 5.4 × 10-9 5.4 × 103 5.4 × 104

6  of 20

Evaluate the expression.

(-184) ÷ 23

 -18 -8 8

7  of 20

Identify the name of the property illustrated.

8(x + 5) = 8
âˆ™ x + 8 âˆ™ 5

Associative property

Commutative property

Addition property

Distributive property

8  of 20

Find the least common multiple (LCM).

30 and 90

 30 90 180 270

9  of 20

Determine whether the first number is divisible by the second number.

19,620; 6

 Yes No

10  of 20

Is 4,346 divisible by 2?

 Yes No

11  of 20

Every integer is a whole number.

 True False

12  of 20

Indicate the name of the property illustrated.

(3 + 9) + 6 = (9 + 3) + 6

 Distributive property Commutative property Associative property Addition property

13  of 20

The following diagram is a sketch of a 16-in. ruler marked using  inches.

Indicate between which two adjacent ruler marks the following irrational number will fall. Support your answer by obtaining an approximation to the nearest hundredth with a calculator.

 Between 11.5 and 12; Between 12 and 12.5; Between 12.5 and 13; Between 13.5 and 14;

4  of 20

Indicate the name of the property illustrated.

(b
âˆ™ z) + (x âˆ™ a) = (z âˆ™ b) + (x âˆ™ a)

 Commutative property Closure property Associative property Distributive property

15  of 20

The sum of two irrational numbers is always irrational.

 True False

15  of 20

The sum of two irrational numbers is always irrational.

 True False

17  of 20

Perform the indicated operation and express the answer in decimal notation.

(7 × 105)(8 × 104)

 5600 5,600,000,000 56,000,000,000 5,600,000,000,000,000,000,000

16  of 20

Evaluate the expression.

-23 + 3

 -26 -20 20 26

18  of 20

Find the prime factorization of the number.

970

 22 âˆ™ 97 52 âˆ™ 97 2 âˆ™ 5 âˆ™ 97 10 âˆ™ 97

19  of 20

Is 15 divisible by 5?

 Yes No

20  of 20

Evaluate the expression.

-180

-19

19

Not a real number

3  of 20

Every integer is a whole number.

 True False

6  of 20

Is 15 divisible by 5?

Yes

No

20  of 20

Express the number in scientific notation.

0.000875

 8.75 × 10-5 8.75 × 10-4 8.75 × 10-3 8.75 × 104

 Subject Mathematics Due By (Pacific Time) 03/20/2015 12:00 am
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