Question

find the product.
\

$$\begin{array}{r} 12643\\\\ \\times\\ \\ \\ \\ 13\\\\ \\hline \\end{array}$$

a. 50,572
b. 164,359
c. 153,359
d. 391,933

Explanation:

Step1: Multiply by 3

$12643 \times 3 = 37929$

Step2: Multiply by 10

$12643 \times 10 = 126430$

Step3: Add results

$37929 + 126430 = 164359$

Answer:

B. 164,359