a/  \(8.4.10.25=2^3.2^2.2.5.5^2=2^6.5^3\)

b/  \(5^{15}.5^3=5^{18}\)

c/  \(18.42.7.9.49=3.6.6.7.7.3^2.7^2=3^3.6^2.7^4\)

d/  \(2.4.8.16...........2^{10}=2^1.2^2.2^3.....2^{10}=2^{\left(1+2+3+...+10\right)}=2^{\left(10+1\right).10:2}=2^{55}\)

bài bạn giải đúng không vậy 

a. 7³

b. 7.35.7.25 = 7 . 5 . 7 . 7 . 5 . 5 = 7³ . 5³

c. 2.3.8.12.24 = 2.3.2.2.2.2.2.3.2.2.2.3 = 2⁹ . 3³

d. 12.12.2.12.6 = 3.2.2.3.2.2.2.3.2.2.2.3 = 3⁴ . 2⁹

e. 25.5.4.2.10 = 5.5.5.2.2.2.5.2 = 5⁴ . 2⁴

f. 2.10.10.3.5.10 = 2.2.5.2.5.3.5.2.5 = 2⁴ . 5⁴ . 3

g. a.a.a+b.b.b.b = a³ + b³

h. x.x.y.y.x.y.x = x⁴ . y³

a.\(7^3\)

b.\(7^3\cdot5^3\)

c.\(2^9\cdot3^3\)

d.\(2^8\cdot3^4\)

e.\(2^4\cdot5^4\)

f.\(2^4\cdot3\cdot5^4\)

g.\(a^3+b^4\)

h.\(x^4\cdot y^3\)

a.

b.

c.

d.

e.

f.

g.

h.

a) 2.2.2.3.3 = 2³ . 3²

b) x4.x = x² . 4

a) 2.2.2.3.3 = 2³ . 3²

b) x4.x = x² . 4

a) 2.2.2.3.3 = 2³ . 3²

b) x4.x = x² . 4

a) 2³.3²

b) x²4¹

\(a.\) \(5\cdot5\cdot5\cdot5=5^4\)

\(b.\) \(9\cdot9\cdot9\cdot9\cdot9\cdot9\cdot9=9^7\)

\(c.\) \(7\cdot7\cdot7\cdot7\cdot7=7^5\)

\(d.\) \(a\cdot a\cdot a\cdot a\cdot a\cdot a\cdot a\cdot a=a^8\)

5.5.5.5 ta đc 5⁴

9.9.9.9.9.9.9 ta đc 9⁷

7.7.7.7.7 ta đc 7⁵

a.a.a.a.a.a.a.a ta đc a⁸

\(6.6.6.6.3.2\\ =6.6.6.6.\left(3.2\right)\\ =6.6.6.6.6=6^5\)

\(2.2.2.2.3.3\\ =\left(2.2.2.2\right).\left(3.3\right)\\ =2^4.3^2\)

`100.10.10.10`

`=10.10.10.10.10`

`=10^5`

a) \(2^{36}\)

b) \(3^{30}\)

c) \(3^9\)

d) \(2^{18}\)

a) 4⁸.2²⁰=(2²)⁸.2²⁰=2¹⁶.2²⁰=2³⁶

b) 9¹².27²=(3²)¹².(3³)²=3²⁴.3⁶=3³⁰

c) 3⁶.3².3=3⁹

d) 4⁵.16²=(2²)⁵.(2⁴)²=2¹⁰.2⁸=2¹⁸

2.2.2.3.3 = 23 .32.

Viết gọn các tích sau bằng cách dùng luỹ thừa:

a) 2.2.2.3.3

b) x4.x