I have a great confusion in significant and rounding off data, 834.8501 I have to be asked to round off to four significant, I have done it as 834.8, but teacher said it would be 834.9, she says rounding of 501 is greater than 500 so one is add into 8. ?
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if it's 5,6,7,8,9 add to the next number
if it's 1,2,3,4 the it goes to zero of the same number
21,22,23,24 will round off to 20
and 25,26,27,28,29 will round off to 30
if it's 1,2,3,4 the it goes to zero of the same number
21,22,23,24 will round off to 20
and 25,26,27,28,29 will round off to 30
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