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\(13^4\cdot16^2=13\cdot13\cdot13\cdot13\cdot16\cdot16\)
\(=13\cdot13\cdot13\cdot13\cdot4\cdot4\cdot4\cdot4\)
\(=\left(13\cdot4\right)\left(13\cdot4\right)\left(13\cdot4\right)\left(13\cdot4\right)\)
\(=52\cdot52\cdot52\cdot52\)
\(=52^4\)
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![](https://rs.olm.vn/images/avt/0.png?1311)
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
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\(3^8\cdot2^7\)
\(=3^7\cdot2^7\cdot3\)
\(=\left(3\cdot2\right)^7\cdot3=6^7\cdot3\)
\(=839808\)
\(3^8\times2^7=3^7\times3\times2^7=\left(3\times2\right)^7\times3=6^7\times3\)
![](https://rs.olm.vn/images/avt/0.png?1311)
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
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