Question

418, 832 in expanded form

Answer 1

Hellooo
I'll help you :D

So first look at the number: 418,832
(Reading it aloud to yourself may help :D)

So then:
400,000+10,000+8,000+800+30+2

Hope this helps :D

Answer 2

Expanded form pretty much means that you break down every digit into an addition phrase. So, for 418,832, that would mean:
4 1 8 8 3 2
400000 10000 8000 800 30 2
400000+10000+8000+800+30+2