Final answer:
The correct way to write the expression (3×1000)+(3×10)+(3x1/100)+(3x1/1000) in another form is 3000+30+0.03+0.003.
Step-by-step explanation:
The expression (3×1000)+(3×10)+(3x1/100)+(3x1/1000) can be simplified as follows:
(3×1000)+(3×10)+(3x1/100)+(3x1/1000) = 3000 + 30 + 0.03 + 0.003
Therefore, the correct way to write the expression in another form is option A) 3000+30+0.03+0.003.