a/ (2⁶.16) :4²

=(2⁶.2²) :(2²)²

=2⁸ : 2⁴=2⁴=16

b/ (5¹⁰:625) : 25

= (5¹⁰:5⁴) :5²

=5⁶ : 5²=5³=625

c/ (81.243):3

= (3⁴.3⁵) :3

= 3⁹ :3=3⁸ =6561

dung roi

\(2^5=32\)

\(3^4=81\)

\(4^3=64\)

\(5^4=625\)

\(nha^{ }\)

2^5 = 32

3^4 = 81

4^3 = 64

5^4 = 625

a) 32

b) 81

c) 64

d) 625

a) 2⁷ = 128

b) 3⁵ = 243

c) 4⁴ = 256

d) 5⁵ = 3125

mik có:

a.2^7=128

b.3^5=243

c.4^4=256

d.5^5=3125

chuẩn ko cần chỉnh luôn

a) \(2^3=8;2^4=16;2^5=32\)

b) \(5^4=625;5^5=3125;5^6=15625\)

a) \(2^3=8\)

\(2^4=16\)

\(2^5=32\)

b) \(5^4=625\)

\(5^5=3125\)

\(5^6=15625\)

tl hoài mà sao chẳng ai t z

a)  2³ =  8                           2⁴  =  16                            2⁵  =  32

b)  5⁴ =  625                        5⁵  =  3125                        5⁶  = 15625

2² = 2.2 = 4

2³ = 2.2.2 = 8

2⁴ = 2.2.2.2 = 16

2⁵ = 2.2.2.2.2 = 32

2⁶ = 2.2.2.2.2.2 = 64

\(^{2^2}\)=4

2²=4

2³=8

2⁴=16

2⁵=32

2⁶=64

kb nha

CHÚC BẠN HỌC TỐT!

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

3)

a) 4⁹ : 4⁴ = 4⁵

17⁸ : 17⁵ = 17³

2¹⁰ : 8² = 2¹⁰ : (2³)² = 2¹⁰ : 2⁶ = 2⁴

18¹⁰ : 3¹⁰ = (18 : 3)¹⁰ = 6¹⁰

27⁵ : 81³ = (3³)⁵ : (3⁴)³ = 3¹⁵ : 3¹² = 3³

b) 10⁶ : 100 = 10⁶ : 10² = 10⁴

5⁹ : 25³ = 5⁹ : (5²)³ = 5⁹ : 5⁶ = 5³

4¹⁰ : 64³ = 4¹⁰ : (4³)³ = 4¹⁰ : 4⁹ = 4

2²⁵ : 32⁴ = 2²⁵ : (2⁵)⁴ = 2²⁵ : 2²⁰ = 2⁵

18⁴ : 9⁴ = (18 : 9)⁴ = 2⁴

thu gọn 7^3*7^5

Oh no nhiều kí tự đặc biệt quá

dễ quá mình ko làm  đc 

1.
a) \(3^4\times3^5\times3^6=3^{4+5+6}=3^{15}\)

b) \(5^2\times5^4\times5^5\times25=5^2\times5^4\times5^5\times5^2=5^{2+4+5+2}=5^{13}\)

c) \(10^8\div10^3=10^{8-3}=10^5\)

d) \(a^7\div a^2=a^{7-2}=a^5\)

2.

\(987=900+80+7\\ =9\times100+8\times10+7\\ =9\times10^2+8\times10^1+7\times10^0\)

\(2021=2000+20+1\\ =2\times1000+2\times10+1\times1\\ =2\times10^3+2\times10^1+1\times10^0\)

\(abcde=a\times10000+b\times1000+c\times100+d\times10+e\times1\\ =a\times10^4+b\times10^3+c\times10^2+d\times10^1+e\times10^0\)

còn bài 2

1) 5⁶                             6³ . 3 . 2

2³ . 3^2.                               100.10³

2) lay may tinh bam nha ban.

:-) k nha

1)

a) 5 . 5 . 5 . 5 . 5 . 5 = 5⁶

b) 6 . 6 . 6 . 3 . 2 = 6 . 6 . 6 . 6 = 6⁴

c) 2 . 2 . 2 . 3 . 3 = 2³ . 3²

d) 100 . 10 . 10 . 10 = 10 . 10 . 10 . 10 . 10 = 10⁵

2)

a) 2³ = 2 . 2 . 2 = 8

2⁴ = 2 . 2 . 2 . 2 = 16

2⁵ = 2 . 2 . 2 . 2 . 2 = 32

2⁶ = 2 . 2 . 2 . 2 . 2 . 2 = 64

2⁷ = 2 . 2 . 2 . 2 . 2 . 2 . 2 = 128

2⁸ = 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 = 256

2⁹ = 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 = 512

2¹⁰ = 2 . 2 . 2 . 2 . 2. . 2 . 2 . 2 . 2 . 2 = 1024

b) 3² = 3 . 3 = 9

3³ = 3 . 3 . 3. = 27

3⁴ = 3 . 3 . 3 . 3 = 81

3⁵ = 3 . 3 . 3 . 3 . 3 = 243

c) 4² = 4 . 4 = 16

4³ = 4 . 4 . 4 = 64

4⁴ = 4 . 4 . 4 . 4 = 256

d) 5² = 5 . 5 = 25

5³ = 5 . 5 . 5 = 125

5⁴ = 5 . 5 . 5 . 5 = 625

e) 6² = 6 . 6 = 36

6³ = 6 . 6 . 6 = 216

6⁴ = 6 . 6 . 6 . 6 = 1296

a) 5.5.5.5.5.5=5\(^6\)

b)6.6.6.3.2=6.6.6.6 = 6\(^4\)(vi 3.2 bang 6 nha)

c)2.2.2.3.3=2\(^3\).3\(^2\)

d) 100.10.10.10=10.10.10.10.10=10\(^5\)  (vi 100 tach ra bang 10.10)