What is (3.2×104)×(2.5×103)(3.2 \times 10^4) \times (2.5 \times 10^3)(3.2×104)×(2.5×103)?
8×1078 \times 10^78×107
8×10128 \times 10^{12}8×1012
5.7×1075.7 \times 10^75.7×107
8×10118 \times 10^{11}8×1011