Decimal Expansions Practice

Question

Math 8 Q1 (Pre-Algebra) / The Number System

Use decimal expansion to write 320.75 in expanded form.(1 point)
Responses

(3×1,000)+(2×100)+(0×10)+(7×1)+(5×110)
open paren 3 times 1 comma 000 close paren plus open paren 2 times 100 close paren plus open paren 0 times 10 close paren plus open paren 7 times 1 close paren plus open paren 5 times 1 tenth close paren

(3×100)+(2×10)+(1×1)+(7×110)+(5×1100)
open paren 3 times 100 close paren plus open paren 2 times 10 close paren plus open paren 1 times 1 close paren plus open paren 7 times 1 tenth close paren plus open paren 5 times 1 over 100 close paren

(3×100)+(2×10)+(0×1)+(7×110)+(5×1100)
open paren 3 times 100 close paren plus open paren 2 times 10 close paren plus open paren 0 times 1 close paren plus open paren 7 times 1 tenth close paren plus open paren 5 times 1 over 100 close paren

(3×10)+(2×1)+(0×110)+(7×1100)+(5×11,000)

Answer 1

open paren 3 times 10 close paren plus open paren 2 times 1 close paren plus open paren 0 times 110 close paren plus open paren 7 times 1100 close paren plus open paren 5 times 11,000 close paren