Answer:
20
Step-by-step explanation:
Initial figure times scale factor = result
10 times 2 = 20
I hope this helps!
The correct answer is the first one.
5 x 100 is correct.
9 x 1 is correct because the 9 is in the ones section, not the tens.
3 x 1/10 is correct because it is equal to 0.3.
7 x 1/1000 is correct because it is equal to 0.007.
Hope this helped! You’re welcome
Yeah sure, but i need to see the picture to get your answer

Step-by-step explanation:
We know that
cos 2x = 2cos²x - 1
So we have

Substituting 

Answer:
i think its 18.59
Step-by-step explanation: