66 ) viết gọn dưới dạng 1 lũy thừa
a) 8 4 . 16 3
b) 27 1 . 81 10
c) 5 40 . 125 2 . 625 3
d) 103 : 1005 . 10004
có ai ko giúp minh với miinh tick cã tháng cho
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a) \(8^4.16^5\)
\(=\left(2^3\right)^4.\left(2^4\right)^5\\ =2^{3.4}.2^{4.5}\\ =2^{12}.2^{20}\\ =2^{12+20}\\ =2^{32}\)
b) \(5^{40}.125^2.625^3\)
\(=5^{40}.\left(5^3\right)^2.\left(5^4\right)^3\)
\(=5^{40}.5^{3.2}.5^{4.3}\)
\(=5^{40}.5^6.5^{12}\)
\(=5^{40+6+12}\)
\(=5^{58}\)
c) \(27^4.81^{10}\)
\(=\left(3^3\right)^4.\left(3^4\right)^{10}\)
\(=3^{3.4}.3^{4.10}\)
\(=3^{12}.3^{40}\)
\(=3^{52}\)
d) \(10^3.100^5.1000^4\)
\(=10^3.\left(10^2\right)^5.\left(10^3\right)^4\)
\(=10^3.10^{2.5}.10^{3.4}\)
\(=10^3.10^{10}.10^{12}\)
\(=10^{3+10+12}\)
\(=10^{25}\)
a. =(54:5):(52.5)
=55:53
=52
b.= (34.33.32):(35.3)
=39:36
=33
d. = 8.125.8.25.8.5.25.2.5
= 23.53.23.52.23.5.52.2.5
=210.59
đúng nha
a; ( 625 : 5) : ( 125 . 5)
= ( 5^4 : 5) : ( 5^3 . 5)
= 5^3 : 5^4
= 1/5
b; (8 1 . 27 . 9 ) : ( 243 . 3)
= ( 3^4 . 3^3 . 3^2) : ( 3^4 . 3)
= 3^9 : 3^ 5
=3^4
c, 1000 x 200 x 40 x 25
= 1000 x ( 40x 250) x 200
= 1000 x 10000 x 200
= 2000000000
A
\(5^1.5^3.5^4\)=\(5^{1+3+4}=5^8\)
B
\(10^1.10^2.10^3=10^{1+2+3}=10^6\)
C
\(8^4.16^5.32^1\)
d
\(27^4.81^{10}\)
a. 84.165 = (23)4. (24)5 = 212. 220= 232
b. 540.1252.6253= 540. (53)2.(54)3= 540.56.512= 558
c. 274.8110= (33)4.(34)10= 312.340= 352
d. 103 . 1005 .10004= 103. (102)5.(103)4= 103.1010.1012= 1025
1) a) 4⁸.2²⁰ = (2²)⁸.2²⁰
= 2¹⁶.2²⁰ = 2³⁶
-----------
9¹².27⁵.81³ = (3²)¹².(3³)⁵.(3⁴)⁴
= 3²⁴.3¹⁵.3¹⁶ = 3⁵⁵
--------
64³.4⁵.16² = (4³)³.4⁵.(4²)²
= 4⁹.4⁵.4⁴ = 4¹⁸
b) 25²⁰.125⁴ = (5²)²⁰.(5³)⁴
= 5⁴⁰.5¹² = 5⁵²
--------
x⁷.x³.x⁴ = x¹⁴
--------
3⁶.4⁶ = (3.4)⁶ = 12⁶
2) a) 2² = 4
2³ = 8
2⁴ = 16
2⁵ = 32
2⁶ = 64
2⁷ = 128
2⁸ = 256
2⁹ = 512
2¹⁰ = 1024
b) 3² = 9
3³ = 27
3⁴ = 81
3⁵ = 243
c) 4² = 16
4³ = 64
4⁴ = 256
d) 5² = 25
5³ = 125
5⁴ = 625
84.165=232
540.1252.253=552
274.8110=352
103.1005.10004=1025
Chúc hk tốt!!!
+) \(8^4\times16^5=\left(2^3\right)^4\times\left(2^4\right)^5=2^{12}\times2^{20}=2^{12+20}=2^{32}\)
+) \(5^{40}\times125^2\times25^3=5^{40}\times\left(5^3\right)^2\times\left(5^2\right)^3=5^{40}\times5^6\times5^6=5^{40+6+6}=5^{52}\)
+) \(27^4\times81^{10}=\left(3^3\right)^4\times\left(3^4\right)^{10}=3^{12}\times3^{40}=3^{12+40}=3^{52}\)
+) \(10^3\times100^5\times1000^4=10^3\times\left(10^2\right)^5\times\left(10^3\right)^4=10^3\times10^{10}\times10^{12}=10^{3+10+12}=10^{25}\)
_Chúc bạn học tốt_
a)\(2.2.2.3.3=2^3.3^2\)
b)\(8.8.8.2=2^3.2^3.2^3.2=2^{10}\)
c)\(8^4.16^5=\left(2^3\right)^4.\left(2^4\right)^5=2^{12}.2^{20}=2^{32}\)
d)\(5^{40}.125^2.625^3=5^{40}.\left(5^3\right)^2.\left(5^4\right)^3=5^{40}.5^6.5^{12}=5^{58}\)
e)\(27^4.81^{10}=\left(3^3\right)^4.\left(3^4\right)^{10}=3^{12}.3^{40}=3^{52}\)
f)\(10^3.100^5.1000^4=10^3.\left(10^2\right)^5.\left(10^3\right)^4=10^3.10^{10}.10^{12}=10^{25}\)
a) = 2^12 . 2^2 . 2^40
= 212+2+40
= 2^54
b)= 3^5 . 3^3 . 3^8
= 35+3+8
= 3^16
c)= 5^4 . 5^2 . 5^3
= 54 + 2 +3
= 5^9
a) 84. 22.1610 = (23)4.22.(24 )10= 212 .22.240=254
b) 35.27.812 = 35.33.( 34) 2 = 35 . 33.38 = 316
c) 252.52.125 =(52)2 .52.53= 54.52.53= 59
Trung Thu vui vẻ nha thuy hang
a . 4096 x 4096
= 4096\(^2\)
b. xin lỗi số quá khủng
c
d tương tự câu A