The expression is
.
Apply power of product property:
.

(Evaluate of powers:
)
(Apply power of powers property:
)
The scientific notation to standard form:
\In
, note whether
.
there fore the above scientific notation has the exponent is
, so
.
Since
, move the decimal point 4 places to the left.
.
Rewrite insert a 0 before the decimal point.
\
.
The standard form is
.9.
The scientific notation is
or The standard form is
.