Answer:

Step-by-step explanation:
Given: 

Theta lie in first quadrant.
Multiply both sides by 2

2theta lie in I and II quadrant.
is positive in I and negative in II quadrant.







Hence, The value of 
For each power of ten , the number of zeros written in the product is the same as the number of exponents.
Answer:
120
Step-by-step explanation:
12 months in a yr, 10 times 12 is 120.
Answer:
Belinda's score is 32 strokes.
Step-by-step explanation:
Let the score of John be "x" and Belinda be "y".
It is given that, in the game of golf, John's score was 10 less than two times Belinda's score.
Also, John's score is 54 strokes.
The above equation can be written as ;

Here, x = 54,



Thus, Belinda's score is 32 strokes.
Answer:
A library
Step-by-step explanation:
No explanation needed