510 ~ (510-360) ~ 150 Cos 510 = Cos 150 = - Cos 30 = - ( radical 3 ) / 2
510% = 5.1
510/100 = 51/10
0.0118
510 is an integer and so there is no sensible way of writing it as a fraction or mixed number.
30 510/1000 = 30.510 or just 30.51
it is 2/10
1/2
0.0196
a decimal fraction means a fraction that changes into a decimal or a decimal that changes into a farction
510%
5/10