Posted by **Trying to make it in life** on Tuesday, March 18, 2014 at 6:55pm.

How to get the answer to a formula if I=ã2P/L relates the coefficient of self-induction, L (in henry's), the energy P stored in an electronic circuit (in joules), and the current I (in amps). Find I if P=120 and L=70.

The example I have to go by does not help with rounding to the nearest thousandth. Find I if P=90 and L=70

Formula I=ã2P/L

=ã2*(90)/70

=ã180/70

= 1.604 amps

- College Algebra -
**bobpursley**, Tuesday, March 18, 2014 at 7:04pm
rounding to the nearest thousandth? I find it difficult this is an issue in college.

Consider the number...

ab.cdefghij

a is the tens digit

b is the units digit

c is the tenths digit

d is the hundreths digit

e if the thousandths digit

f is the ten thousands digit

take a look at f. Is if 5 or greater? if so, increase the thousandths by one, then drop f,g,h and so on.

- College Algebra -
**Trying to make it in life**, Tuesday, March 18, 2014 at 7:18pm
Ok thanks

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