200 + 80 + 9
Under today's rules now governing the Roman numeral system the given numeral is equivalent to 289
30+2
seventy-four
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)
3+0.5+0.07+0.003
1000+800+30+5
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
To find the numeral that stands for 'very', we can analyze the codes given. The code for "Very hot day" is 123, "hot filtered coffee" is 356, and "day and night" is 289. The common word "day" appears in both 123 and 289, and since "day" corresponds to 2 in both codes, we can deduce that 'very' must be represented by the numeral 1, as it is the only unique numeral in the code for "Very hot day."
2.89 = (2 x 1) + (8/10) + (9/100)