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 ( 55+ )
Otras preguntas
jane drinks 275 milliliters of juice from a 1 liter container. how much juice is left
What is remarkable about the Hittites
A good plot gives a novel _____. characters setting sense of order
For every ton of paper that is recycled, 17 trees are saved. Discrete or continuous?
According to the lesson, which U.S. President opened up diplomatic relations with the People's Republic of China? Jimmy Carter Gerald Ford Ronald Reagan Richard
is 7849 a reasonable answer for 49 times 49 why or why not
a radio station requires DJs to play 2 commercials for every 10 songs tgey play.what is the unit rate o songs to commercial?
The Warren Commission determined that _____.
How do you simplify 20/30
A key role of the secretary of state is a. being the operating head of the Defense Department. b. offering advice on foreign affairs to the President. c. over
