Practice problem
What is (7.2×10−4)÷(9×10−3)(7.2\times 10^{-4})\div (9\times 10^{-3})(7.2×10−4)÷(9×10−3) in scientific notation?
8×10−28\times 10^{-2}8×10−2
0.8×10−10.8\times 10^{-1}0.8×10−1
1.25×1011.25\times 10^{1}1.25×101
8×1008\times 10^{0}8×100
Type a concept, like “slope” or “photosynthesis”.