Practice problem
What is (3×106)(4×105)(3\times 10^6)(4\times 10^5)(3×106)(4×105) in scientific notation?
12×103012\times 10^{30}12×1030
7×10127\times 10^{12}7×1012
1.2×10121.2\times 10^{12}1.2×1012
12×101112\times 10^{11}12×1011
Type a concept, like “slope” or “photosynthesis”.
