Answer :

Answer:

1.5 + 10^8.

Step-by-step explanation:

(3 x 10^2) x (5 x 10^5)

= 3 x 5 * 10^2 x 10^5

= 15 x  10^(2 + 5)

= 15 x 10^7

= 1.5 + 10^8.

Other Questions