15% of 15% of 15% of 500 = 1.6875
45% of 500 = 225
If you want to find 15% of 15% of 15% of 500 then you first have to multiply,
0.15 x 0.15 = 0.0225
then you have to multiply 0.0225 times .15 AGAIN,
0.0225 x .15 = 0.003375
then you finally multiply
0.003375 x 500 = 1.6875
If you want to find 45% of 500 you simply multiply
.45 x 500 = 225
Hope this helps!