Question

Write a rule that tell how to use mental math to find the product 30,000 x 50,000

Answer 1

first, put down all the zeros, then multiply 5x3. put that answer in front of the zeros; 1,500,000,000

Answer 2

here is an example

Explanation:

Step 1. Think of the basic fact. Multiply. 6 2 12

Step 2- Count the number of zeros in the factors.

60 has 1 zero and

20 has 1 zero.

Step 3- Write that number of zeros to the right of The answer is 1,200.

the basic-fact product.