2^8 . 4^5 . 9^9
=2^8 . (2^2)^5 . (3^2)^9
=2^8 . 2^10 . 3^18
=2^18 . 3^18
=(3.2)^18
=6^18
\(2^8.4^5.9^9=2^8.\left(2^2\right)^5.\left(3^2\right)^9\)\(=2^8.2^{10}.3^{18}\)\(=2^{18}.3^{18}\)
\(2^8.4^5.9^9\)
\(=2^8.\left(2^2\right)^5.\left(3^2\right)^9\)
\(=2^8.2^{10}.3^{18}\)
\(=2^{18}.3^{18}\)
\(=\left(2.3\right)^{18}=6^{18}\)
\(16.20.81\)
\(=25920=2^6.3^4.5\)
\(2^8\cdot4^59^9\)
\(=2^8\cdot\left(2^2\right)^5\cdot\left(3^2\right)^9\)
\(=2^8\cdot2^{10}\cdot3^{18}\)
\(=2^{18}\cdot3^{18}\)
\(=\left(2\cdot3\right)^{18}=6^{18}\)
\(2^8\times4^5\times9^9\)
\(=2^8\times\left(2^2\right)^5\times\left(3^2\right)^9\)
\(=2^8\times2^{2.5}\times3^{2.9}\)
\(=2^8\times2^{10}\times3^{18}\)
\(=2^{18}\times3^{18}\)
\(=\left(2\times3\right)^{18}\)
\(=6^{18}\)
2^8× 4^5 × 9^9
= 2^8 × (2^2)^5 × (3^2)^9
= 2^8 × 2^10 × 3^18
= 2^18 × 3^18
=(2×3)^18
=6^18