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a) \(4^3\cdot32^4\)
\(=\left(2^2\right)^3\cdot\left(2^5\right)^4\)
\(=2^6\cdot2^{20}\)
\(=2^{26}\)
b) \(3^{20}\cdot9^{10}\cdot27^2\)
\(=3^{20}\cdot\left(3^2\right)^{10}\cdot\left(3^3\right)^2\)
\(=3^{20}\cdot3^{20}\cdot3^6\)
\(=3^{46}\)
c) \(3^{10}\cdot7^{10}\)
\(=\left(3\cdot7\right)^{10}\)
\(=21^{10}\)
d) \(6^{15}:6^{14}\)
\(=6^{15-14}\)
\(=6\)
e) \(28^3:7^3\)
\(=4^3\cdot7^3:7^3\)
\(=4^3\)
\(=2^6\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 273 : 35 = ( 33)3 : 35 = 39 : 35 = 34
b, 72 . 343 . 4930 = 72. 73.(72)3 = 711
c, 625 : 53 = 54 : 53 = 5
d, 1 000 000 : 103 = 106 . 103 = 103
e, 115 : 121= 115 : 112 = 113
f, 87 : 64 :8 = 87 : 82 : 81 = 84
i, 1024 . 16 : 26 = 210 . 23 : 26 = 27
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2 mũ 3 =8
2 mũ 4=16
2 mũ 5=32
2 mũ 6=64
2 mũ 7=128
2 mũ 8=256
2 mũ 9=512
2 mũ 10=1024
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\(\left(12^8:12\right)\left(243:3^4\right)\cdot\left(10^9:1000\right)\)
\(=12^{8-1}\cdot3^{5-4}\cdot10^{9-3}\)
\(=12^7\cdot3^1\cdot10^6\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a: \(4^5\cdot8^7=2^{10}\cdot2^{21}=2^{31}\)
b: \(125^5\cdot25^3=5^{15}\cdot5^6=5^{21}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(4^{50}:8^{10}=\left(2^2\right)^{50}:\left(2^3\right)^{10}\)
\(=2^{100}:2^{30}\)
\(=2^{100-30}\)
\(=2^{70}\)
Chúc bạn hk tốt nha!!!
52= 25
25= 32
29= 512
101= 10
110= 1
( Thiếu phần này nhé ! )
~HT~
5^2=>CS:5=>SM:2=>LT:25
2^5=>CS:2=>SM:5=>LT:32
2^9=>CS:2=>SM:9=>LT:512
10^1=>CS:10=>SM:1=>LT:10
1^10=>CS:1=>SM:1=>LT:1