Evaluate the following expression:
7.0 x 10⁴ + 6.0 x 10³
A13 x 10⁷
B42 x 10⁷
C67 x 10³
D76 x 10³
7.0 x 10⁴ + 6.0 x 10³
A13 x 10⁷
B42 x 10⁷
C67 x 10³
D76 x 10³