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General Electronics questions! homework is awesome if you know what your doing!

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JOEMARSH

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SO I am about 6 classes into my Intro to Electronics at College...Im glad to be joining the ranks of other EE's!

BUT I need some help..Having trouble understanding some basic principles

I'm using SI unit prefixes

Prefix Symbol Value
tera T 10 to the 12 power
giga G 10 to the 9th power
mega M 10 to the 6th power
kilo k 10 to the 3rd
- 10 to the 0power
milli m 10 to the -3
micro u 10 to the -6
nano n 10 to the -9
pico p 10 to the -12
femto f 10 to the -15

What Im having trouble with in the problem is...

Express with the most appropriate prefix:
a-12,000 s
b-340,000,000 s
c-0.00050 s
d-0.00000007 s

The only reason Im having trouble is, I cant seem to figure out, where they want me to convert it to? they want me to change it? Im lost if any one can help me!!

Thanks in advance...JOE:cry:

---------- Post added at 12:31 ---------- Previous post was at 11:38 ----------

So my 12,000 s is my unity multiplier? Basically where I am starting the equation out at?

Then if I am making it bigger, I multiply

AND if I am making it smaller, then I Divide

IS this right guys?

JOE

I'm also building my own La-2a right now as a electronics project...all old analog technology...point to point wiring and everything...
 

prmurthy

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Simple use unit converter!!!!.

Express with the most appropriate prefix:
a-12,000 s ----- can be expressed as 1.2E+10 micro
b-340,000,000 s -----can be expressed as 340 yota or simply 3.4E+11 milli
c-0.00050 s -----can be expressed as 5E-10 mega
d-0.00000007 s -----can be expressed as 7E-11 kilo

Though there are other ways to express. I think this how you wanted.

Thankyou
 

keith1200rs

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Absolutely. 'Engineering Notation' generally expresses everything as a number between 1 and 999 followed by a multiplier.

Keith
 

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