Answer:
4
Explanation:
Here is the complete question: Use the distributive property to fill in the blanks below
As per Distributive property of multiplication, a number is multiplied to the number inside the parenthesis separately, then adding or substracting the product of the number to get result, which is equal to the number multiplied directly to the sum of the number inside the parenthesis.
As we in given question we can see:
If we multiply 4 separately to 2 and 1 as per distributive property of multiplication.
∴
Hence, 4 will be the number in the blank.