3^2x3^8x2^4x2^12=3^10x2^16

\(13^4\cdot16^2=13\cdot13\cdot13\cdot13\cdot16\cdot16\)

\(=13\cdot13\cdot13\cdot13\cdot4\cdot4\cdot4\cdot4\)

\(=\left(13\cdot4\right)\left(13\cdot4\right)\left(13\cdot4\right)\left(13\cdot4\right)\)

\(=52\cdot52\cdot52\cdot52\)

\(=52^4\)

5^177

7^2000

16^136

\(5^{200}:5^{23}=5^{200-23}=5^{177}\)

\(7^{2001}:7=7^{2001-1}=7^{2000}\)

\(16^{137}:4^2=16^{137}:16=16^{137-1}=16^{136}\)

a ) 100000 : 10 3 = 10 5 : 10 3 = 10 2 b ) 11 5 : 121 = 11 5 : 11 2 = 11 3 c ) 243 : 3 3 : 3 = 3 5 : 3 3 : 3 = 3 1 d ) 4 8 : 64 : 16 = 4 8 : 4 3 : 4 = 4 4

\(16^3\cdot8^4=\left(2^4\right)^3\cdot\left(2^3\right)^4=2^{12}\cdot2^{12}=2^{24}\)

\(3^8\cdot2^7\)

\(=3^7\cdot2^7\cdot3\)

\(=\left(3\cdot2\right)^7\cdot3=6^7\cdot3\)

\(=839808\)

\(3^8\times2^7=3^7\times3\times2^7=\left(3\times2\right)^7\times3=6^7\times3\)

a/ (2⁶.16) :4²

=(2⁶.2²) :(2²)²

=2⁸ : 2⁴=2⁴=16

b/ (5¹⁰:625) : 25

= (5¹⁰:5⁴) :5²

=5⁶ : 5²=5³=625

c/ (81.243):3

= (3⁴.3⁵) :3

= 3⁹ :3=3⁸ =6561