NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 407  413 of 1732
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Question number: 407
» Mathematics » Exponents and Powers
Question
If , then is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 408
» Mathematics » Exponents and Powers
Question
Which of the following number is in the scientific notation?
Choices
Choice (4)  Response  

a.  m 

b.  km 

c.  km 

d.  km 

Question number: 409
Question
What is a thermostat?
Choices
Choice (4)  Response  

a.  Device use to measure moisture content in the atmosphere 

b.  Device that keep food hot. 

c.  Device use to measure temperature of oil 

d.  Device that automatically regulates temperature when the temperature reaches a certain point. 

Question number: 410
» Mathematics » Integers
Question
Choices
Choice (4)  Response  

a.   1 

b.   113 

c.  1 

d.  0 

Question number: 411
» Mathematics » Fractions and Decimals
Question
What fraction of the figure below is shaded?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 412
» Mathematics » Exponents and Powers
Question
The rationalizing factor of is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 413
Question
The arithmetic mean of nine given numbers is 78. Their sum is
Choices
Choice (4)  Response  

a.  Between 624 and 702 

b.  More than 702 

c.  624 

d.  702 
