90.8
0.0661
0.0012
450
500
454 rounded to the nearest ten is 450. Since 5 is in the tens place, you round 54 down to 50 because the 4 is not 5 or greater than 5.
454 divided by 5 is 90.8
0.0154
0.4068
0.0661
0.0925
0.1035
0.02
.454 kilogrammes is 454 grammes. 454 divided by 2.1 454/2.1 =216.
1.4758
232.8205
16.2143
45.4