Answer :
the answer would be 450
if the last number is 5 or above it goes up as in 365 would round up to 370 by the nearist 10 and if its lower than 5 like 233 it would be 230
the nearist 10 is the last 2 numbers and go by the rule i just stated
if the last number is 5 or above it goes up as in 365 would round up to 370 by the nearist 10 and if its lower than 5 like 233 it would be 230
the nearist 10 is the last 2 numbers and go by the rule i just stated