Mathematics

A student found the approximate value of 0.02548 correct to two places of decimal instead…

A student found the approximate value of 0.02548 correct to two places of decimal instead of two significant figures. Find the percentage error.

  • A.
    0%
  • B.
    131/3%
  • C.
    15 5/13%
  • D.
    2/3%
  • E.
    20%
Correct Answer: Option E
Explanation

0.02548 (approxeq) 0.03 (to 2 decimal places)

0.02548 (approxeq) 0.025 (2 sig. figs)

Error = 0.03 – 0.025

= 0.005

% error = (frac{0.005}{0.025} times 100%)

= 20%