# Math Help - (help me in this questions )

1. ## (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

2. 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:

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

$10^{12.0821} \approx 1.208 \cdot 10^{12}$

3. thanks a lot