Question

Use the distributive property of multiplication to find 7 x 22

Hint: 22 = 20 +2




Please show all work, Thank you:)

Answer 1

We multiply 7 by 20 to get 140. We also multiply 7 by 2 to get 14. Add 140 to 14 to get 154

Here's how you can write it out
7 x 22 = 7 x (22)
7 x 22 = 7 x (20+2)
7 x 22 = 7x 20 + 7 x 2  ... distributive property
7 x 22 = 140 + 14
7 x 22 = 154

Answer: 154