What is (3*10^5) (8*10^4)

= 24,000,000,000

Step-by-step explanation:

First of all, simplify the powers.

(3*100,000) (8*10,000)

Now, multiply the numbers in the parenthesis to get the products.

300,000*80,000

Now multiply to get the product.

300,000*80,000 = 24,000,000,000