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 ( 36+ )
Otras preguntas
I NEED HELP WITH MY LIVING ENVIRONMENT WORK
each leg of a 45°- 45°- 90° triangle measures 14 cm. What is the length of the hypotenuse?
what theorem can be used to prove that the triangles are congruent?
Mr.Santos is buying two types of gift cards to give as prizes to employees at the company picnic. He will buy resteraunt cards that each cost $40 and movie thea
Read the passage from a dolls house how does the stage directions in brackets affect the meaning of the text
Based on the table to the right, which two organisms are most closely related? carrot and apple carrot and artic rose apple and artic rose
How many crashes are alcohol related
Compare the stories The Way to Rainy Mountain and “How the World Was Made.” How do you think the purpose and themes of American Indian stories have changed over
The dash-line triangle is a dilation image of the solid-lined triangle. I believe the answer is A or C, not sure.
Marcy bought a total of 20 years books and CDs during a yard sale for a total of $54.50 cents. If books cost $1.50 each and CDs cost five dollars each how many
