ПИЗА ДАЙЫНДЫ0 ТАПСЫРМАЛАРЫ ОҚУ САУАТТЫЛЫҚ. Гендіктрыданзгеріскешырааннімдер

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Task 7. The number of Astana city population

Astana - the modern capital of Kazakhstan - Today is a fast-growing population. Table 2 shows the number of Astana city population in 1989, 2000, 2005, 2010,

2014.
Table 2 - The number of Astana city population

Years	1989 г	2000 г	2005 г	2010 г	2014 г	2015 г
Population	281252	381000	529335	649139	814401	852985

Question 1. What percentage of the population has increased in 2015 in comparison with 1989 years?

Answer:.

Question 2. Find the average population growth in percent. Answer:_.

Question 3. If present trends continue, the population of Astana in how many years will exceed the million?

Answer:_.

Task8. Lake.

In the list of the largest lakes in the world first place is the Caspian Sea, its surface area is 371 thousand square kilometers, in seventh place is Lake Baikal, its area to 339,278 square kilometers less than the area of the Caspian Sea, and the area of the lake Balkhash, situated in the eastern part of Kazakhstan, has an area on 356400 square kilometers less than the area of the Caspian sea and Balkhash is on the thirteenth place.

Question 1. What is an area of Lake Baikal and Lake Balkhash?

Question 2. How many hectares every lake is? (1 hectare = 10,000 m2, 1 km = 1000 2 000 m2).

Answer:.

Question 3. Approximately how many times the Caspian Sea area larger than the area of Lake Baikal and Lake Balkhash (separately)?

Answer:.

Question 4: What is the area of the lakes in hectares? Answer:.

Problem 9. Vertebrate animals.

Table 3 shows some of the data on the number of vertebrate animals inhabiting in Kazakhstan.
Table 3 - Number of vertebrates in Kazakhstan

Class	Number	Notice
Vermigrade		The value of the expression (0.33332 + 1.66668): 200 + 48.99 indicates the number of reptiles that live K
amphibian		12/49 part of the reptiles equal to the number of amphibians living in Kazakhstan
Birds		93 species of birds come flying for the winter or come flying in spring and autumn (This is 31/162 of summary quantity of birds species inhabiting on the territory of Kazakhstan)
Fish		3 species of fish - cyclostomes (this is 2.9% of the number of fish species that live in our country)
mammals		Species of birds more than mammals for 308 species

Question 1. Find the number of reptiles inhabiting the territory of Kazakhstan. Answer:_.

Question 2. Find the number of amphibians living on the territory of Kazakhstan.

Answer:_.

Question 3. Find the number of birds inhabiting the territory of Kazakhstan. Answer:_.

Question 4: How many species of fish live in the territory of Kazakhstan? Answer:_.

Question 5. Find the number of species of mammals inhabiting the territory of Kazakhstan?

Answer:_.

Question 6. How many species of vertebrates inhabit the territory of Kazakhstan?

Answer:_.