200 + 80 + 9
Under today's rules now governing the Roman numeral system the given numeral is equivalent to 289
seventy-four
30+2
The Roman numeral CCLXXXIX represents the number 289.
A number expressed in expanded notation is when a number is expressed in its full form
289 = (2 x 102) + (8 x 101) + (9 x 100)
1000+800+30+5
3+0.5+0.07+0.003
It is like expanded form just a different word for it. Like the expanded numeral of 23,400 20,000 + 3,000+ 400
It is 1 + 0.08 + 0.001
2.89 = (2 x 1) + (8/10) + (9/100)
It is 3*72 + 5*7 + 4