1-7 Test yourself (p24)

• Natuurkunde
• Middelbare school
• havo
• Leerjaar 3

Test yourself (p. 24) 

Read the instructions carefully

• In this test you will: choose the correct answer from the options provided or type in an answer or take a photo of your answer and submit it. 
  
• Do your calculations in your book, so that we can reference back if you struggled with something. Therefore you MUST show all your calculations in your writing book. 
  
• Only certain questions from the test yourself are applicable

T1 

The following 3 questions, with a yellow background, are based on question T1 on p. 24 in your textbook, and the following diagram is used.

Which tables describe exponential growth?

1. A
2. B
3. C
4. D

What is the formula for this table?

T2

The following 7 questions, with a blue background, are based on T2 in the test yourself on p. 24, and the following text is  applicable on all questions:

A newly fertilized egg cell divides into two cells every 30 minutes. At 14:00 (t=0) there are 4096 cells.

A newly fertilized egg cell divides into two cells every 30 minutes. At 14:00 (t=0) there are 4096 cells. What is the growth factor per 30 minutes?

1. 0,5
2. 1
3. 1,5
4. 2

A newly fertilized egg cell divides into two cells every 30 minutes. At 14:00 (t=0) there are 4096 cells. What is the growth factor per hour

1. 0,25
2. 1
3. 4
4. 16

A newly fertilized egg cell divides into two cells every 30 minutes. At 14:00 (t=0) there are 4096 cells. Choose the correct formula that can be used to calculate the number of cells N after t hours.

1. N=4096⋅2​t​​
2. N=4096⋅10​t​​
3. N=4096⋅4​t​​
4. N=4096⋅16​t​​

A newly fertilized egg cell divides into two cells every 30 minutes. At 14:00 (t=0) there are 4096 cells. How many cells will there be at 19:00?

1. 131 072
2. 409 600 000
3. 4 194 304
4. 4 294 967 296

A newly fertilized egg cell divides into two cells every 30 minutes. At 14:00 (t=0) there are 4096 cells. How many cells were there at 13:00?

1. 1 024
2. 2 560
3. 4096
4. 8 192

A newly fertilized egg cell divides into two cells every 30 minutes. At 14:00 (t=0) there are 4096 cells. What is the growth factor per two hours?

1. 2
2. 4
3. 8
4. 16

A newly fertilized egg cell divides into two cells every 30 minutes. At 14:00 (t=0) there are 4096 cells. What was the number of cells at 10:00?

1. 16
2. 256
3. 2 560
4. 4 096

T3

The following 3 questions are based on T3 on p. 24 in the textbook. The following diagram is constantly applicable:

By what factor do you have to multiply a price excluding VAT in France to get the price including VAT?

1. 19,6
2. 1,96
3. 11,96
4. 1,196

Joey buys a gold bracelet in Greece. He has to pay 576 euro including VAT. What is the price excluding VAT?

1. 468,29
2. 112,90
3. 556,40
4. 688,90

Eddy buys a pair of desig-ner shoes in Greece for 450 euros excl. VAT. After vat has been added he gets a 20% discount. He pays ...

1. more than 450 euros
2. less than 450 euros

T4

The following 6 questions, with a black background, are based on T4 (p. 25) in the textbook, and the following text is applicable on all questions:

Elvira wins half a million euros in a lottery. She buys a Ferrari for 160 000 euros and deposits the rest of her winnings in a savings account with a fixed interest rate of 2,8% per year. The value of the Ferrari decreases by 9% each year.

By what factor do you have to multiply per year for the value that the Ferrari decreases?

1. 9%
2. 91%
3. 0,9
4. 0,91

What formula can you use to calculate the value V of the Ferrari in euros after a time of t years?

How can you tell from the growth factor that it is a percentage decrease?

Is the Ferrari worth more that
100 000 euros after six years?

1. Yes
2. No

How much money is in Elviras savings account one year after she won the lottery?

1. 340 000
2. 370 600
3. 349 520
4. 360 060

After how many years will Elvira have half a million euros in her savings account again?

1. 14
2. 16
3. 18
4. 20

What is the standard notation of:

1 574,5

1. 1,5745⋅10​3​​
2. 1,574⋅10​3​​
3. 1,5745⋅10​4​​
4. 1,574⋅10​4​​

What is the standard notation of:
18 billion

1. 1,8⋅10​9​​
2. 1,8⋅10​10​​
3. 1,8⋅10​13​​
4. 1,8⋅10​12​​

What is the standard notation of:

0,000 012

1. 1,2⋅10​6​​
2. 1,2⋅10​5​​
3. 1,2⋅10​−6​​
4. 1,2⋅10​−5​​

What is the standard notation of:

​100000​​1​​

1. 10​5​​
2. 10​−5​​
3. 10​6​​
4. 10​−6​​

Calculate and give the answer to three decimal places.
250 x 1 550 000

1. 3,88⋅10​8​​
2. 3,88⋅10​7​​
3. 3,87⋅10​8​​
4. 3,87⋅10​7​​

Calculate and give the answer to three decimal places.

​8​10​​​​0,04​​

1. 3,73⋅10​−10​​
2. 3,73⋅10​−11​​
3. 3,73⋅10​−12​​
4. 3,73⋅10​−13​​

T7

The following 7 questions are based on question T7 (p. 25), and all have a purple background. The following text is applicable on all these questions:

The height of a tree increases every year by approximately 12%. The tree is now 1,40 meters tall. Round all heights in this excercise to the nearest centimeter.

Calculate how high the tree will be in one years time.

1. 1,43 m
2. 1,47 m
3. 1,53 m
4. 1,57 m

Make a formula that can be used to calculate the height of the tree H in cm after a time of t years.

How high will the tree be in six years time?

1. 2,12 m
2. 2,32 m
3. 2,76 m
4. 2,98 m

What is the growth factor of the hight per 5 years?

1. 1,2544
2. 1,4049
3. 1,5735
4. 1,7623

Calculate the height of the tree in 10 years time.

1. 4,35 m
2. 4,76 m
3. 4,94 m
4. 5,03 m

How high was the tree one year ago?

1. 1,12 m
2. 1,17 m
3. 1,22 m
4. 1,25 m

How high was the tree two years ago?

1. 1,12 m
2. 1,17 m
3. 1,22 m
4. 1,25 m