Assertion: When a quantity appears with a power n greater than one in an expression, its error contribution to the final result decreases `n` times.
Reason: In all mathematical operations, the errors are not additive in nature.
Options:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false and R is also false.