$\text{Error}=\left|\text{Exact}5-u\right|$

$\text{Exact}5=x^3$

u

x

0.0002218

0.0007782

0.0010000

0.10000

0.0003499

0.0083499

0.0080000

0.20000

0.0010883

0.0280883

0.0270000

0.30000

0.0019947

0.0659947

0.0640000

0.40000

0.0030596

0.1280596

0.1250000

0.50000

0.0042426

0.2202426

0.2160000

0.60000

0.0054413

0.3484413

0.3430000

0.70000

0.0064507

0.5184507

0.5120000

0.80000

0.0069143

0.7359143

0.7290000

0.90000

0.0062804

1.0062804

1.0000000

1.00000