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2^300 = (2³)^100 = 8^100
3^200 = (3²)^100 = 9^100
Vì 8 < 9 nên 8^100 < 9^100 =>2^300 < 3^200.
\(2^{300}=2^{3\times100}=\left(2^3\right)^{100}=8^{100}\)
\(3^{200}=3^{2\times100}=\left(3^2\right)^{100}=9^{100}\)
vì 8^100< 9^100 nên 2^300<3^200
![](https://rs.olm.vn/images/avt/0.png?1311)
\(2^{50}=\left(2^5\right)^{10}=32^{10}\)
\(5^{20}=\left(5^2\right)^{10}=25^{10}\)
Suy ra: 250 > 520
b)
\(9^{200}=\left(9^2\right)^{100}=81^{100}\)
Suy ra: 99100 > 81100
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 5200 = (52)100 = 25100
3453= 3400 x 353 = ( 34)100 x 353 = 81100 x 353
Ta thấy 81100 > 25100 => 81100 x 353 > 25100
Vậy 3453 > 5200
b) 2164= 2160 x 24 = (24)40 x24 = 1640 x 24
Ta thấy: 1640 > 1340 => 1640 x 24 > 1340
Vậy 2164 > 1340
Nhớ k mik nha
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\(2^x=4^3=\left(2^2\right)^3=2^6\Rightarrow x=6.\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, \(4^{100}=\left(2^2\right)^{100}=2^{200}< 2^{202}\)
\(\Rightarrow\text{ }4^{100}< 2^{202}\)
b, \(3^0=1< 5^8\)
\(3^0< 5^8\)
c, \(\left(0,6\right)^0=1\)
\(\left(-0,9\right)^6=\left(0,9\right)^6\)
\(\Rightarrow\text{ }\left(0,6\right)^0< \left(-0,9\right)^6\)
d,
e, \(8^{12}=\left(2^3\right)^{12}=2^{36}=2^{16}\cdot2^{20}=2^{16}\cdot\left(2^4\right)^5=2^{16}\cdot16^5\)
\(12^8=\left(2^2\cdot3\right)^8=2^{16}\cdot3^8=2^{16}\cdot\left(3^2\right)^4=2^{16}\cdot9^4\)
Vì \(2^{16}\cdot16^5>2^{16}\cdot9^4\text{ }\Rightarrow\text{ }8^{12}>12^8\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a,312 và 58
Ta có:312=(33)4=274
58=(52)4=254
Vì 274>254 nên 312>58
b,(0,6)9 và (0,9)6
Ta có:(0,9)6>(0,6)6 mà (0,6)6>(0,6)9
\(\Rightarrow\)(0,6)9<(0,9)6
c,52000 và 101000
Ta có:52000=(52)1000=251000>101000
\(\Rightarrow\)52000>101000
d,?????
![](https://rs.olm.vn/images/avt/0.png?1311)
\(2^{300}=\left(2^4\right)^{75}=16^{75}\)
\(3^{225}=\left(3^3\right)^{75}=27^{75}\)
mà 16<27
nên \(2^{300}< 3^{225}\)
a: \(12^{200}=\left(12^2\right)^{100}=144^{100}\)
\(5^{300}=\left(5^3\right)^{100}=125^{100}\)
mà 144>125
nên \(12^{200}>5^{300}\)
b: \(3^{2020}=\left(3^2\right)^{1010}=9^{1010}\)
\(2^{3030}=\left(2^3\right)^{1010}=8^{1010}\)
mà 9>8
nên \(3^{2020}>2^{3030}\)