Compute (3.2×104)×(2.5×103)(3.2 \times 10^4) \times (2.5 \times 10^3)(3.2×104)×(2.5×103) and express in scientific notation.
8.0×1078.0 \times 10^78.0×107
8.0×10128.0 \times 10^{12}8.0×1012
5.7×1075.7 \times 10^75.7×107
8.0×1068.0 \times 10^68.0×106