Question

  giúp mik bài 1 với ạ

Answer 1

`[`Học Tốt`]`

`a)3^4 . 3^3=3^(4+3)=3^7`

`b) 3^4 . 3^2=3^(4+2)= 3^6`

`c) a^3 . a^2 . a^5= a^(3+2+5)=a^(10)`

`d) x . x^5=x^(1+5)=x^6`

`e) 5^3 : 5^2 = 5^(3-2)= 5^1`

`f) a^6 : a^3=a^(6-3)=a^3`

`g) x^(10) : x= x^(10-1)=x^9`

`---------`

`2.x=4`

`x=4:2`

`x=2`

`--------`

`2.x=8`

`x=8:2`

`x=4`

`-----------`

`3^x=81`

`=>x= 4`

`---------`

`x. 2^2=7`

`x. 4=7`

`x= 7:4`

`x=7/4`

 

Answer 2

1 a) 3⁴ . 3³ = 81 . 27 =2187

b) 3⁴ . 3² = 81 . 9 = 729

c) a² . a³ . a⁵ = a . a . a = a

d) x . x⁵ = x . x = x

e) 5³ : 5² = 125 : 25 = 5

f) x¹⁰ : x = x : x = x