Practice problem
Write 8.18.18.1 in expanded notation.
80+180+180+1
8×1+1×18\times 1+1 \times 18×1+1×1
8×1+1×0.18 \times 1+1 \times 0.18×1+1×0.1
810+1100\frac{8}{10}+\frac{1}{100}108+1001
Type a concept, like “slope” or “photosynthesis”.
