460 = CDLX
460 000 000
460 = 4.6 × 102
To write a whole number as a fraction, you take the whole number over "one". 460/1 460 over 1
460.0
460
CDLX
(75*460)/100 = 345 or in other words 0.75*460=345 ....
Precisely as you have done so in your question.
0.046
4 Meters, 60 centimeters
4.6 * 10^2