Question

What is the product of $3\times 20$?

• A. $0$
• B. $60$

Answer 1

The correct option is B $60$

For $3\times 20$
$20$ can be written as $20=2\times 10$
$\Rightarrow 3\times 20=3\times 2\times 10=6\times 10$
Now, we know multiplication a number by $10$

$\Rightarrow 3\times 20=60$.