Question

calculate the percent error up to two decimal places:Your calculated density of aluminum is d = 2.69 g/cm3. Aluminum’s accepted density is 2.70 g/cm3. Without writing the "%" sign, calculate the percent error up to two decimal places:

Answer 1

Answer:

0.4

Explanation:

The percent error, or relative error, is the error associated with a parameter, and it's the absolute error divided by the parameter.

The absolute error is the differece between the calculated value and the parameter (in module): |2.69 - 2.70| = 0.01 *100% = 1.0%.

The relative error is:

1.0%/2.70 = 0.37% = 0.4%

Answer 2

Answer:

0.37 %

Explanation:

Given that:

Calculated density of aluminum = 2.69 g/cm³

Accepted density of aluminum = 2.70 g/cm³

$Error\ percentage=\frac {|Accepted\ value-Calculated\ value|}{Accepted\ value}\times 100$

Thus, applying values as:

$Error\ percentage=\frac {|2.70-2.69|}{2.70}\times 100$

Percent error = 0.37 %