0,25 = (0,5)²

\(\dfrac{1}{49}\) = (\(\dfrac{1}{7}\))²

- \(\dfrac{27}{125}\) = (- \(\dfrac{3}{5}\))³

 \(\dfrac{81}{16}\) = ( \(\dfrac{9}{4}\))²

\(\dfrac{169}{196}\) = (\(\dfrac{13}{14}\))²

1=1^2 ;125=5^3 ;-125=-5^3; 27=27^1; -27= -27^1

2: 5^2 25^1 

5.5.5.5.2.2.2.10=5.5.5.5.5.2.2.2.2=5⁵.2⁴

|Hk tốt|

a) \(8=2^3\)

\(16=4^2\)

\(27=3^3\)

\(81=9^2\)

\(100=10^2\)

b) \(1000=10^3\)

\(1,000,000=10^6\)

\(1,000,000,000=10^9\)

100.000 } 12 chữ số 0 = 10^12

Ta có:

\(\begin{array}{l}125 = 5.5.5 = {5^3}\\3125 = 5.5.5.5.5 = {5^5}\end{array}\)

\(a:\dfrac{81}{125}=\dfrac{3^4}{5^3}\)

\(b:\dfrac{-8}{27}=-\dfrac{2^3}{3^3}\)

81/125 bằng 81/125 mũ 1

-8/27 bằng -2/3 mũ 3

câu này mink đã được học rồi nên chắc đúng

\(49.81=7^2.9^2=\left(7.9\right)^2=63^2\)

729=3⁶=9³=27²

a) = 2^12 . 2^2 . 2^40

 = 2^12+2+40

= 2^54

b)= 3^5 . 3^3 . 3^8

 = 3⁵⁺³⁺⁸

  =  3^16

c)= 5^4 . 5^2 . 5^3

= 5^{4 + 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