No
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.
The number 4500 in standard decimal notation form is simply 4500. It consists of four digits, where the digit 4 is in the thousands place, the digit 5 is in the hundreds place, and the two zeros represent the tens and units places, respectively.
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
4.5 kJ = 4500 J