Expanded Notation with Decimals — Definition & Examples

$300+40+5+\frac6{1}+6 \times 0.1 + 7 \times 0.01 + 8 \times 0.001 +8 \times 0.0001 + 7 \times 0.00001 + 9 \times 0.000001$

$300+40+5+ 0.6 + 0.07 + 0.008 + 0.0008 + 0.00007 + 0.000009$

$3\times100+4\times 10+ 5 \times 1 + 6 \times 0.1 + 7 \times 0.01 + 8 \times 0.001 +8 \times 0.0001 + 7 \times 0.00001 + 9 \times 0.000001$

$300+40+5+\frac6{10}+\frac7{1000}+\frac8{100000}+\frac8{10000000}+\frac7{1000000000}+\frac9{100000000000}$