1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Serga [27]
3 years ago
8

Simplify 9 to the 2nd over 9 to the 7th. 95 1 over 9 to the 9th 1 over 9 to the negative 5th 1 over 9 to the 5th

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
5 0
\bf ~~~~~~~~~~~~\textit{negative exponents}\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}\\\\
-------------------------------\\\\
\cfrac{9^2}{9^7}\implies \cfrac{1}{9^{-2}9^7}\implies \cfrac{1}{9^{-2+7}}\implies \cfrac{1}{9^5}\implies \cfrac{1}{59049}
You might be interested in
What is the equation of a parabola with a focus (-2,4) and directrix y = 0?
Ronch [10]
The general form of a parabola  when using the focus and directrix is:
(x - h)² = 4p(y - k) where (h, k) is the vertex of the parabola and 'p' is distance between vertex and the focus.  We use this form due to the fact we can see the parabola will open up based on the directrix being below the focus.  Remember that the parabola will hug the focus and run away from the directrix.  The formula would be slightly different if the parabola was opening either left or right.

Given a focus of (-2,4) and a directrix of y = 0, we can assume the vertex of the parabola is exactly half way in between the focus and the directrix.  The focus and vertex with be stacked one above the other, therefore the vertex will be (-2, 2) and the value of 'p' will be 2.  We can now write the equation of the parabola:
(x + 2)² = 4(2)(y - 2)
(x + 2)² = 8(y - 2)  Now you can solve this equation for y if you prefer solving for 'y' in terms of 'x'
5 0
3 years ago
Suppose you have 18 more quarters than dimes. You have a total of $8.00. How many of each coin do you have? Use the substitution
kramer

Answer:

18 quarters = $4.50

8.00-4.50=3.50

10 dimes+10 quarters=$3.50

Answer= you have 10 dimes and 28 quarters

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Divide. Write the quotient in the lowest terms.
oee [108]

Answer:

12/1\frac{1}{5} = 10

8 0
3 years ago
Read 2 more answers
as part of the carnival the school will hold a factor game marathon, it takes Archie and kel an average of 12 minutes to finish
aliina [53]
Archie and kel would have played 27 1/2 games
5 0
3 years ago
What would the median be if each of the students increased their sales by 3
Tanzania [10]
Need more information
5 0
3 years ago
Other questions:
  • a game room has a floor that is 120 feet by 75 feet. A scale drawing of the floor on grid paper uses a scale of 1 unit:5 feet. W
    6·1 answer
  • How many inches are in a mile
    11·2 answers
  • 3x - y = -10<br> -8x - y = 23
    14·1 answer
  • Why is the greatest factor of 10 and 50
    7·1 answer
  • Solve the equation 905=5a
    13·2 answers
  • "Negative three<br> times a number<br> increased by<br> seven is less<br> than -11
    10·1 answer
  • If minecraft has a stack of wood how much wood is in the stack?
    10·2 answers
  • Evaluate the expression when b=3 and c=-6<br><br> 4b-c
    12·1 answer
  • Can u help me with this:
    7·1 answer
  • HELP ME PLSSSSSSSSSSS
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!