## Chemistry (4th Edition)

a) $2.7\times10^{-8}$ b) $3.56\times10^{2}$ c) $4.7764\times10^{4}$ d) $9.6\times10^{-2}$
Represent numbers in the form $N\times10^{n}$, where n is some integer and N is in between 1.00 and 9.99.