Basic Math

MAT105 /115

FINAL EXAM

BEST WISHES ON THIS EXAM AND ALL

YOUR FUTURE CLASSES . BE AWESOME

QUESTION SHOW ANY WORK YOUR FINAL ANSWER

1 (6 ?100 (8 ?10 (4 ?1 600 80 4 684 C (6 ? 100 (8 ? 10 (4 ? 1

2

D ) Thousands

3

C ) Three hundred thousand and six hundred and twelve 4 3 ? 4 ? 8 7 8 15 C ) 15

5 Associative Property : When three or more numbers are added , the sum is the same regardless of the grouping of the addends

Commutative property

: When two numbers are added , the sum is the same regardless of the of the addends

Additive Identity Property : The sum of any number and zero is the original number . B ) Commutative property of addition 6 23 ,132 54 ,055

77 ,187 B ) 77 ,187 7 5 ,987

- 2 ,941

3 ,046 B ) 3 ,046

8 44 ,377

- 25 , 058

19 ,319 C ) C ) 19 ,319

9 3 ,686 students in the fall of 2004

4 ,242 students in the fall of 2005 4 ,242 - 3 ,686 556 increase in enrollment C ) 556 10

B ) 6 ,000

11 list of prime numbers between 10 and 30

Prime Number (or a prime ) is a natural number which has exactly two distinct natural number divisors : 1 and itself

10 : 1 , 2 , 5 , 10

11 : 1 ,11

12 : 1 , 2 , 3 , 4 , 6 , 12

13 : 1 , 13

14 : 1 , 2 , 7 , 14

15 : 1 , 3 , 5 , 15

16 : 1 , 2 , 4 , 8 , 16

17 : 1 , 17

18 : 1 , 2 , 3 , 6 , 9 , 18

19 : 1 , 19

20 : 1 , 2 , 4 , 5 , 10 , 20

21 : 1 , 3 , 7 , 21

22 : 1 , 2 , 11 ,22

23 : 1 , 23

24 : 1 , 2 , 3 , 4 , 6 , 8 , 12 , 24

25 : 1 , 5 , 25

26 : 1 , 2 , 13 , 26

27 : 1 , 3 , 9 , 27

28 : 1 , 2 , 4 , 7 , 14 , 24

29 : 1 , 29 ?3 ?13 9 ?13 117 D ) 3 ? 3 ? 13

13 6 ?7 42

6 7 13 A ) 6 , 7

14 Common factor of 16 and 24 : 2 , 4 , 8 numerator says how many parts in the fraction 17 least common multiple of 12 and 18

C ) 8 .0583

22

A ) 6 .0

23 54 .843 ? 2 .067 ? 104 .36 56 .91 104 .36 161 .27 C ) 161 .27

24 5 .75 ? 102 5 .75 ? C ) 575 25 8 .9 ? 102 8 .9 ? C ) 0 .089 26 11 wins

25 games 25 - 11 14 loses 27 best buy on pasta sauce (1 qt is 32 oz

1 qt for 1 .29

45 oz for 1 .59 1 .59 ( 45 0 .0353 per oz 0 .0353 1 .131 for 1 qt

48 oz for 1 .79 1 .79 ( 48 0 .0373 per oz 0 .0373 1 .193 for 1 qt

1 qt 16 oz for 1 .99 32 / 16 2 of 16oz to make 32 oz

A ) 37 .5 31 8 ,000 lb ________ tons

Since 1 ton 2 ,000lbs (8 ,000 ( 2 ,000 4 tons...