# (help me in this questions )

• Nov 3rd 2009, 11:22 AM
r-soy
(help me in this questions )
Hi
always I do some mistake when i solve like this questions because i can't write answer with 4 significant digits or 3 or .... ??
Now i want check my answer are this ok or no
Attachment 13670
• Nov 3rd 2009, 12:13 PM
earboth
Quote:

Originally Posted by r-soy
Hi
always I do some mistake when i solve like this questions because i can't write answer with 4 significant digits or 3 or .... ??
Now i want check my answer are this ok or no

I've got:

$e^{-5.062} \approx 6.333 \cdot 10^{-3}$

$10^{12.0821} \approx 1.208 \cdot 10^{12}$
• Nov 3rd 2009, 01:00 PM
r-soy
thanks a lot