Practice problem
Write 123456789123456789123456789 in scientific notation.
12.3456789×10712.3456789\times 10^712.3456789×107
1.23456789×10−81.23456789\times 10^{-8}1.23456789×10−8
1.23456789×1091.23456789\times 10^91.23456789×109
1.23456789×1081.23456789\times 10^81.23456789×108
Type a concept, like “slope” or “photosynthesis”.