# Thread: Need Help with Pre-Algebra-7th grade level:

1. ## Need Help with Pre-Algebra-7th grade level:

What is one billion of a meter as a fraction with a negative exponent?
Please help!!!!

2. Originally Posted by elizabeth_mascorro
What is one billion of a meter as a fraction with a negative exponent?
Please help!!!!
I think you mean one billionth.

$\frac{1}{1,000,000,000} = \frac{1}{10^9} = 10^{-9}$