Answer:
3^16
Step-by-step explanation:
12^8 * 9^12
Rewrite 12 as 3*4 Â and 9 as 3*3
(3*4)^8 Â * (3*3)^12
We know that (ab)^c = a^c * b^c
3^8 Â 4^8 Â 3^12 Â 3^12
We can write 4 as 2^2
3^8 Â 2^2^8 Â 3^12 Â 3^12
We know a^b^c = a^(b*c)
3^8 Â 2^(2*8) Â 3^12 Â 3^12
3^8 Â 2^(16) Â 3^12 Â 3^12
We also know that a^b *a^c *a^d = a^(b+c+d)
2^(16) Â 3^8 Â 3^12 Â 3^12
2^(16) Â 3^(8+12+12)
2^16 Â 3^(32)
But we need 6 ^16 so we will need a 3^16 Â 3^32 = 3^16 * ^16 Â (16+16=32)
2^16 *3^16 *3^16
Remember a^b*c^b = (ac)^b
(2*3)^16 3^16
6^16 Â 3^16