What you do is use the arrow keys and place the cursor at the front of the 8 like 98|3847 and then press DEL the green key for delete. Try that. Tell me if it worked. Also, please tell your friends and teacher of the video. thx
So when I place 2.34X10^-4 I get a fraction of 117/500000 to change that to a decimal do the following. Click on shift and mode, choose 6, then 9. Then press the SD button, and you will get your 0.000234000. Please share this with your friends and teacher! Good luck this semester.