4ESO_INITIAL EVALUATION

What type of decimal number is 3'52?

• Exact decimal

• Pure repeating decimal

• Mixed repeating decimal

• Decimal that are neither exact nor repeating

• I don't understand the question

What type of decimal number is 18'2532323232...?

• Exact decimal

• Pure repeating decimal

• Mixed repeating decimal

• Decimal that are neither exact nor repeating

• I don't understand the question

What type of decimal is $\pi$ ? 

• Exact decimal

• Pure repeating decimal

• Mixed repeating decimal

• Decimal that are neither exact nor repeating

• I don't understand the question

What is the fraction expression for the number 2'5636363636363...?

•  $\frac{2538}{990}$  
  

•  $\frac{2563}{999}$  
  

•  $\frac{2538}{999}$  
  

•  $\frac{2563}{990}$  
  

• I don't understand the question

Simplify the expression

• $\frac{1}{45}$

• $\frac{1}{9}$

• $\frac{2}{45}$

• I don't understand the question

Write the result of the operation in scientific notation

• $3'98\ ·\ 10^7$

• $3'98\ ·\ 10^6$

• $3'98\ ·\ 10^5$

• I don't understand the question

Simplify the expression

• $\sqrt{140a}$

• $140a$

• $20\sqrt{7a}$

• I don't understand the question

3 days and 13 hours ago, a reservoir was only 34'5% full. Now it is 41'2% full. Ath this same rate, when will it be 90% full?

• In 25 days, 19 hours and 6 minutes

• In 24 days, 18 hours and 7 minutes

• In 26 days, 2 hours and 36 minutes

• I don't understand the question

Two partners have 27'82% and 39'91% of a company. A third has the rest. The business makes a profit of 327842 €. How much does the third partner get? (Give the approximate solution in hundreds of euros)

• 105794'61 €

• 105800 €

• 10900 €

• I don't understand the question

Solve the equation

• The solutions are x = 1 and x = -2

• The solutions are x = 1 and x = -3/2

• The solutions are x = 2 and x = -3/2

• I don't understand the question