1) which number rounds up when rounded to the nearest tenth?

55. 24

170.93

0.12

8.15



2)

estimate the value of 2968 + 9912 by rounding each number to the thousands.

14,000

13,000

12,000

7000


3)

which statement below shows the best use of friendly numbers to estimate the value of 27 ·times 4

25 times 4 = 100

30 times 5 = 150

27 times 4 = 108

20 times 4 = 80

4)

marcus has 78 baseball cards and 45 basketball cards. estimate the total number of cards marcus has.

30

33

123

130

5)

determine which answer is reasonable for 4. 8 times 9.2.

14

45.36

432

870.4

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

How do newtons third law of motion demonstrates on a rollar coster