4.5 x 103
4500 in scientific notation = 4.5 x 103
4,500 can be written as 4.50 × 103 in scientific notation.
4.5x103
4.5 times 103.
4500
4.5 X 103 The zeroes are superfluous.
In todays modern notation: MDCXLII and (IV)D
MMMMD or as D(V) D(V) = -500+1000*5 = 4500
75 * 60 = 4500 seconds It is the correct answer
In roman numerals, numbers greater than 3999 use parentheses around, or a horizontal line above, the numbers that are multiplied by 1000. Writing 3999 is written as MMMCMXCIX, but the number 4500 would be written as (IV)D.
4.5 kJ = 4500 J