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In expressing a digit 81.472 as nearly as possible with 3 significant digits, find the % error?

Read Solution (Total 3)

81.472 can be written as 81.5
81.5-81.472=0.028
so error % = (0.028/81.472) * 100
answer=0.034%
11 years agoHelpfull: Yes(39) No(0)

nearly 3 significant digit is=81.4
error=81.472-81.400/81.4=0.000884
in %=0.000884*100=0.08% ans
11 years agoHelpfull: Yes(1) No(11)
nearly 3 significant digit of 81.472 is 81.5
bcz 7>5 so 4 turn into 5
so ans is 0.0344%
11 years agoHelpfull: Yes(1) No(0)

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