Question

How can u use mental math to multiply 800 x 5

Answer 1

You can use mental math because you know that 8x5 is 40 so u add in two more zeros because there are still two zeros in 800 to get 4000. Hope this helps! :)

CloutAnswers

Answer 2

4000

Explanation:

First multiply the basic math, 8 times 5, which is 40.

Now add the two zeros from the 800 onto 40, making it 4000.