Explain how to use the distributive property to find the product (3) ( 4 1 5 )

1245

Step-by-step explanation:

Distribute the number 3 to each of the numbers in the second set of parentheses. Be careful to remember to add zeros to the number depending on which place holder the number is in.

Demonstration:

3 × 400

3 x 10

3 x 5

After solving each equation, add the total

1200 + 30 + 15 = 1245

The answer is (Rewrite 3 ( 4  1 5  ) as 3 ( 4 +  1 5  ) . Distribute the 3 to get 3(4) + 3 (  1 5  ) . Multiply to get 12 +   3 5  . Then add to get 12  3 5

.

a

explanation:

part a: 1.08

part b: 27.59