Question

15 POINTS!!!!!

Answer 1

6.6*(10^6) = 6,600,000 square miles

= 6.6 × 10²6

(scientific notation)  

= 6.6e6

(scientific e notation)

= 6.6 × 10^6

(engineering notation)

(million; prefix mega- (M))

= 6,600,000  (real number)

Answer 2

You simply have to do
${10}^{6} = 100000$
then

$1000000 \times 6.6$
6600000
${miles}^{2}$
is the answer