Please help

(1.2 x 10^-1) (7 x 10^4)
Complete the scientific Notation then provide the standard form of the answer.
x x 10n

Blank 1 x=
Blank 2 n=
Blank 3 Standard Form:

Please help 12 x 101 7 x 104 Complete the scientific Notation then provide the standard form of the answer x x 10n Blank 1 x Blank 2 n Blank 3 Standard Form class=