Answer:

Explanation:
We have to find the product of 7,000 and 50 and express it in the form of product of a whole number and power of 10.
First, we will find the product.

Now, we have to express this product as a sum of whole number and power of 10.
3,50,000 can be written as:

Here, 35 is our whole number and
is required power of 10.
We used the rule of exponents to express the product in such manner.