TheWrathfullKing
TheWrathfullKing
14-06-2018
Mathematics
contestada
........................
Respuesta :
gmany
gmany
14-06-2018
Use:
[tex]a^{-n}=\dfrac{1}{a^n}[/tex]
[tex]20\cdot5^{-2}=20\cdot\dfrac{1}{5^2}=\dfrac{20}{25}=\dfrac{20:5}{25:5}=\dfrac{4}{5}[/tex]
Answer: B. 4/5
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
What is 0.1 times 30
4 times as much money as $5
what does 9(3j-6) equal?
What is the whole number of 7/2?
Which early-20th century advancement allowed trade to increase between countries on Atlantic coasts and countries with pacific coasts
What is one half divided by two thirds
graphs help you see what
what kinds of organisms perform photosynthesis
Which is an example of hypothetical evidence? A: Most politicians hire professional speech writers to prepare what they say. B: In his latest speech, Mayor John
Which is not a property of a mineral? a. hardness b. diffraction c. cleavage d. luster
