How Do I Paste The Adsense Ads On My Blog?

This could get kind of complicated because first we don't know if you
are using Blogger's newest layout or their old one.

If you're using their newest layout then you can let Blogger.com add
the adsense ads (after you give them permission to do so) for you at
either the bottom of your blog posts or by adding a new gadget /
widget on the side of your blog.

However if you are using Blogger's older version then it gets a little
more complicated in that first you have to decide where you want to
place the ads. After you decide then it's a matter of copying and
pasting your adsense ads in the RIGHT place on your blog's template.