Hey there! I'm happy to help!
Standard form is just writing this without the multiplication sign. If you multiply a number by 10 to a negative number, \you take the number in the negative exponent and move the decimal to the left that many times. In our case, we move it to the left 8 times.
If we move the decimal to the left 8 times, we have 0.00000007.
I hope that this helps! :D
