Answer:
The correct answer is "995.22 turns".
Step-by-step explanation:
The given values are:
Magnetic field,
B = 0.50 T
Current,
i = 400 A
Length of solenoid,
L = 8.0 m
As we know,
⇒ 
then,
⇒ 
On substituting the given values, we get
⇒ 
⇒ 
⇒ 
Divide 327 by 12 to get 27.25. Howard pays 27 dollars and 25 cents for each card.
<span>1.2312 x 10^13
A million is 10^6
A Billion is 10^9
A trillion is 10^12
12.312 trillion is 12.312 x 10^12 which is the same as 1.2312 x 10^13</span>
Rounding off to one significant figure will be:
600,000