Question

1. divide: 6.4 ÷ 0.4

Explanation:

Step1: Convert to fraction

$6.4\div0.4=\frac{6.4}{0.4}$

Step2: Multiply numerator and denominator by 10

$\frac{6.4\times10}{0.4\times10}=\frac{64}{4}$

Step3: Perform division

$\frac{64}{4} = 16$

Answer:

16