So sánh:
a. 3200 và 2300
a. 71500 và 3775l
K
Khách
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I3
2
18 tháng 11 2021
a)
Ta có : A = 275 = (33)5 = 315
B = 2433 = (35)3 = 315
Vì 315 = 315 => A = B
18 tháng 11 2021
b )
Ta có : A = 2300 = (23)100 = 8100
B = 3200 = (32)100 = 9100
Vì 8100 < 9100 => A<B
NT
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và 4format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%2212%2C-16%2011%2C-16%205%2C0%202%2C-6%22%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(0.5%2C20.5)%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%225%2C0%202%2C-6%200%2C-5%22%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(0.5%2C20.5)%22%2F%3E%3Cline%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2212.5%22%20x2%3D%2233.5%22%20y1%3D%224.5%22%20y2%3D%224.5%22%2F%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2223.5%22%20y%3D%2219%22%3E15%3C%2Ftext%3E%3Ctext%20font-family%3D%22math117e62166fc8586dfa4d1bc0e17%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2241.5%22%20y%3D%2219%22%3E%2B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2253.5%22%20y%3D%2219%22%3E4%3C%2Ftext%3E%3C%2Fsvg%3E)
và 8format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%2212%2C-16%2011%2C-16%205%2C0%202%2C-6%22%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(0.5%2C20.5)%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%225%2C0%202%2C-6%200%2C-5%22%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(0.5%2C20.5)%22%2F%3E%3Cline%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2212.5%22%20x2%3D%2233.5%22%20y1%3D%224.5%22%20y2%3D%224.5%22%2F%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2223.5%22%20y%3D%2219%22%3E17%3C%2Ftext%3E%3Ctext%20font-family%3D%22math1da40657c9fece7e48d30af42d3%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2241.5%22%20y%3D%2219%22%3E%26%23x2212%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2253.5%22%20y%3D%2219%22%3E1%3C%2Ftext%3E%3C%2Fsvg%3E)
1
18 tháng 10 2021
a: \(11^{14}< 11^{15}\)
b: \(4^{300}=64^{100}\)
\(3^{400}=81^{100}\)
mà 64<81
nên \(4^{300}< 3^{400}\)
NN
14 tháng 9 2021
a, Có 3 = (3
)
= 9
và 2
= (2
)
= 8
=> 3
> 2
b, Có 6 = (6
)
= 36
=> 6
> 12
26 tháng 1 2023
37,37 x 5959,59 = 37 x 1,01 x 59 x 101,01 = 37 x 59 x 1,01 x 101,01
59,59 x 3737,37 = 59 x 1,01 x 37 x 101,01 = 37 x 59 x 1,01 x 101,01
=> 37,37 x 5959,59 = 59,59 x 3737,37
Kick mik nha
5
TM
20 tháng 2 2021
a) 536 và 1124
Ta có: 536= (53)12=12512 (1)
1124=(112)12=12112 (2)
Từ (1) và (2) => 536>1124
tương tự.....
20 tháng 2 2021
Đáp án là :
câu 20 :625 < 1257
câu 21 :536 > 1124
câu 22 :32n < 23n
câu 23 :523 < 6.522
câu 24 :1124 <19920
câu 25 :399 > 112
NA
5
25 tháng 3 2021
a) 3^2 và 3.2
3^2=9
3.2=6
-> 3^2>3.2
b)2^3 và 3^2
2^3=8
3^2=9
-> 2^3<3^2
c) 3^3 và 3^4
Vì hai số có cùng cơ số nên ta so sánh số mũ
3<4
-> 3^3<3^4
25 tháng 3 2021
a)ta có 32=9 ; 3.2=6 => 32 > 3.2
b)ta có 23=8 ; 32=9 => 23 < 32
c) ta có 33 và 34
vì 2 số đều cùng 1 cơ số
mà cơ số đầu có số mũ = 3,cơ số còn lại có lũy thừa =4
=> 3<4
=> 33<34
29 tháng 1 2022
a,Ta có:\(2=\sqrt{4}\)
Vì \(\sqrt{4}>\sqrt{3}\)
\(\Rightarrow2>\sqrt{3}\)
b,Ta có:\(6=\sqrt{36}\)
Vì \(\sqrt{36}< \sqrt{41}\)
\(\Rightarrow6< \sqrt{41}\)
c,Ta có:\(7=\sqrt{49}\)
Vì \(\sqrt{49}>\sqrt{47}\)
\(\Rightarrow7>\sqrt{47}\)
GN
GV Nguyễn Trần Thành Đạt
Giáo viên
29 tháng 1 2022
a) 2 =√4 > √3 ;
b) 6=√36 < √41 ;
c) 7=√49 > √47
DT
Dang Tung
CTVHS
14 tháng 6 2023
\(\dfrac{11}{-13}=-\dfrac{11}{13}=-\dfrac{13}{13}+\dfrac{2}{13}=-1+\dfrac{2}{13}\\ -\dfrac{14}{15}=-\dfrac{15}{15}+\dfrac{1}{15}=-1+\dfrac{1}{15}\)
Ta thấy : \(\dfrac{1}{15}< \dfrac{1}{13}< \dfrac{2}{13}=>-1+\dfrac{1}{15}< -1+\dfrac{2}{13}\)
hay \(\dfrac{11}{-13}>-\dfrac{14}{15}\)
3200>2300
vì 3 mủ 2 lớn hơn 2 mũ 3
=)))))))))))))))0
a, Ta có
\(3^{200}=\left(3^2\right)^{100}=9^{100}\)
\(2^{300}=\left(2^3\right)^{100}=8^{100}\)
Vì \(9^{100}>8^{100}\) nên \(3^{200}>2^{300}\).
Vậy \(3^{200}>2^{300}.\)