Free points if u want them

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5