How do I write 3421 base five in expanded form?

Answer 1

I assume you want convert from base 5 to base 10. There are lots of calculators that can do that for you; if you want to do it yourself:From right to left, you need to multiply:1 x 1

2 x 5

4 x 5 squared

3 x 5 cubed

Then add everything together.

Answer 2

It is 3*5^3 + 4*5^2 + 2*5 + 1