## Elementary Technical Mathematics

$0.00000000998$ is smaller.
We have $0.00000000998$ and $0.01$. In scientific notation: $$0.00000000998=9.98\times 10^{-9}, \quad 0.01=1\times 10^{-2}.$$ Since $-9\lt -2$, then $0.00000000998$ is smaller.