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\(2^{300}=\left(2^3\right)^{100}=8^{100}\)
\(3^{200}=\left(3^2\right)^{100}=9^{100}\)
Vì 8 < 9 => 8100 < 9100
Vậy 2300 < 3200.
Ta có;2300=(23)100=8100
3200=(32)100=9100
Vì 8<9=>8100<9100
=>2300<3200
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3200=(32)100=9100
2300=(23)100=8100
vì 9100>8100
nên 3200>2300
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2300=(23)100=8100
3200=(32)100=9100
8100<9100 nên 2300< 2300
2300=(23)100=8100
3200=(32)100=9100
8100<9100 nên 2300< 3200
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a, Ta có :
\(\left|-2\right|^{300}=2^{300}\)\(\left(1\right)\)
\(\left|-4\right|^{150}=4^{150}=\left(2^2\right)^{150}=2^{300}\left(2\right)\)
Từ \(\left(1\right)+\left(2\right)\Leftrightarrow\left|-2\right|^{300}=\left|-4\right|^{150}\)
b, Ta có :
\(\left|-2\right|^{300}=2^{300}=\left(2^3\right)^{100}=8^{100}\)\(\left(1\right)\)
\(\left|-3\right|^{200}=3^{200}=\left(3^2\right)^{100}=9^{100}\left(2\right)\)
Từ \(\left(1\right)+\left(2\right)\Leftrightarrow\left|-2\right|^{300}< \left|-3\right|^{200}\)
So sánh;
a,\(\left|-2\right|^{300}\) và \(\left|-4\right|^{150}\)
\(\Rightarrow\left|-2\right|^{300}=2^{300}\)
\(\Rightarrow\left|-4\right|^{150}=4^{150}=\left(2^2\right)^{150}=2^{300}\)
Vậy \(\left|-2\right|^{300}=\left|-4\right|^{150}\)
b,\(\left|-2\right|^{300}\) và \(\left|-3\right|^{200}\)
\(\Rightarrow\left|-2\right|^{300}=2^{300}=\left(2^3\right)^{150}=8^{150}\)
\(\Rightarrow\left|-3\right|^{200}=3^{200}=\left(3^2\right)^{100}=9^{100}\)
Vậy \(\left|-2\right|^{300}< \left|-3\right|^{200}\)
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a) Ta có : 2^300=2^3.100=8^100
3^200=3^2.100=9^100
Ta thấy 8^100<9^100
=>2^300<3^200
b)Ta có:54^4=(2.3^3)^4=2^4.3^12
21^12=(3.7)^12=3^12.7^17
Ta thấy 3^12=3^12
2^4<7^12
Do đó 3^12.2^4<3^12.7^13
Hay 54^4<21^12
c) Ta có 5^100=5^100
2^200=(2^2)^100=4^100
Ta thấy 5^100>4^100
Do đó 5^100>2^200
d)Ta có 10^20=(10^2)^10=20^10
Ta thấy 20^10<40^10
Hay 10^20<40^10
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Ta có : \(3^{200}=\left(3^2\right)^{100}=9^{100}\)
\(2^{300}=\left(2^3\right)^{100}=8^{100}\)
Do : \(9^{100}>8^{100}\left(9>8\right)\)
nên : \(3^{200}>2^{300}\)
Ta có:
3200 = ( 32 ) 100 = 9 100
2300 = ( 23)100 = 8100
Vì 9 > 8 nên
9100 > 8100
Vậy 3200 > 2300
3 mũ 200 > 2 mũ 300
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