List 2 diffrent ways to write 3^7 as the product of two powers

Then explain why both expressions are equal to 3^7
But make it as short as you can

1) 3^7 can be written as (3^4)*(3^3). This is equal to 81 * 27, which ultimately equals 2187, which is also equal to 3^7.

2) 3^7 can also be written as (3^6)*(3^1). This is equal to 729 * 3, which also equals 2187, still equal to 3^7.