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

• Nov 25th 2008, 05:01 PM
elizabeth_mascorro
Need Help with Pre-Algebra-7th grade level:
What is one billion of a meter as a fraction with a negative exponent?
$\frac{1}{1,000,000,000} = \frac{1}{10^9} = 10^{-9}$