\(3\times10000+7\times1000+9\times100+0\times10+4\) equals
3794
37940
37904
379409
We multiply each digit by its place value, one at a time:
\(3\times10000 = 30000\)
\(7\times1000 = 7000\)
\(9\times100 = 900\)
\(0\times10 = 0\)
\(4\times1 = 4\)
Now add these results step by step:
\(30000 + 7000 = 37000\)
\(37000 + 900 = 37900\)
\(37900 + 0 = 37900\)
\(37900 + 4 = 37904\)
So the expression equals \(37904\).