Question

1. 57.8 ÷ 81

Explanation:

Step1: Rewrite as fraction

$\frac{57.8}{81}$

Step2: Convert decimal to integer

$\frac{578}{810}$

Step3: Simplify the fraction

$\frac{289}{405} \approx 0.7136$

Answer:

$\approx 0.71$ (rounded to two decimal places) or $\frac{289}{405}$ (exact value)