arianamedina200 arianamedina200
  • 25-08-2017
  • Mathematics
contestada

PLEASE HELP IVE BEEN STUCK ON THIS QUESTION FOR 20 MINS IDK :(

PLEASE HELP IVE BEEN STUCK ON THIS QUESTION FOR 20 MINS IDK class=

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 25-08-2017
remember
[tex]\frac{x^m}{x^n}=x^{m-n}[/tex]
and
if [tex]a^b=a^c[/tex] where a=a, then b=c
so
[tex]\frac{7^9}{7^n}=7^{9-n}=7^3[/tex]
[tex]7^{9-n}=7^3[/tex]
so
9-n=3
-n=-6
n=6

answer is 6
Answer Link

Otras preguntas

Find all real and complex zeros for the following function. Enter multiple answers separated by a comma. f(x) = x³ + 2x² + 9x + 18 3​
57:41 How can the topic "students and cell phones" be presented as an argument? Recent surveys suggest that over 70 percent of all American students ages 14-17
Riley was standing on the balcony and dropped a paper rocket. How far below did the rocket land when it hit the ground assuming the total air time was 4.3 seco
What is the fourth quantum number?​
Monday, 6 August. The rudder of the caravel Pinta became loose, being broken or unshipped. It was believed that this happened by the contrivance of Gomez Rascon
What is the slope of the line that passes through the points (- 2, 6) and (4, - 2) ?
In the figure below, m2=58°. Find m/1. K J 2 ¹ = 0⁰ m41:
HELP ASAP 10 POINTSSSS What is the value of 6m - 4n when M=4 and N=2. MUST SHOW YOUR WORK PLEASE
4. The following precipitation reaction can be used to determine the amount of copper ions dissolved in solution. A chemist added 5.00 × 10−2 L of a solution co
Riddle! When things go wrong, what can you always count on?