Question

use the fact that 56 × 18 = 1008 to determine the product of 5.6 × 1.8 = ?

Explanation:

Step1: Rewrite decimals as fractions

$5.6 = \frac{56}{10}$, $1.8 = \frac{18}{10}$

Step2: Multiply the fractions

$5.6 \times 1.8 = \frac{56}{10} \times \frac{18}{10} = \frac{56 \times 18}{10 \times 10}$

Step3: Substitute known product

$\frac{1008}{100}$

Step4: Simplify the fraction

$\frac{1008}{100} = 10.08$

Answer:

$10.08$