use the properties of operations to multiply the expressions. (10.3y)(4y)

Explanation:

Step1: Multiply the coefficients

$10.3\times4 = 41.2$

Step2: Multiply the variables

$y\times y=y^{1 + 1}=y^{2}$

Step3: Combine the results

$(10.3y)(4y)=41.2y^{2}$

Answer:

$41.2y^{2}$