glittergurl0101
glittergurl0101 glittergurl0101
  • 11-03-2015
  • Mathematics
Answered

Simplify:

(3y)^4 (times) y^-2

A) 1/2y^2
B) 3y^2
C) 1/81 y^2
D) 81 y^2



Answer :

konrad509
konrad509 konrad509
  • 11-03-2015
[tex](3y)^4\cdot y^{-2}=81y^4\cdot y^{-2}=81y^{2}[/tex]
Answer Link
Panoyin
Panoyin Panoyin
  • 11-03-2015
[tex](3y)^{4} * y^{-2}[/tex]

[tex]((3y)(3y)(3y)(3y)) * \frac{1}{y^{2}}[/tex]

[tex]81y^{4} * \frac{1}{y^{2}}[/tex]

[tex]81y^{2}[/tex]

D. 81y²
Answer Link

Other Questions

A classmate says that 0.285714 repeating  is not a rational number because it does not terminate. Explain her error.   I need help answering this
During the first year, a bakery sold 37,580 bags of cookies. During the second year, the bakery sold 5,000 more bags than were sold the first year. What is the
Which of the following ratios is not equivalent to the ratio 5/6  Explain10/12, 13/14, 15/18, 25/30
Black bears have thick fur that traps air. How does this air insulate the bear in winter?
an electric heater of power 1000W has a resistance of 10 ohm. calculate the magnitude of current
if the weight of a package is multiplied by 5/7 the result is 40.5 ppunds.find the weight of the package
30°N, 120°E is located within the continent of..?
When does a substance releases heat?? (it's about changing state of matter)
What words have 'port in them?
Where are monsoons are most commonly found?