14-03-2021
Mathematics

contestada

please help a bro brainiest
3^-x=243

Respuesta :

shadalawashington shadalawashington

14-03-2021

Answer:

x=-240

Step-by-step explanation:

Answer Link

leaalibeg leaalibeg

14-03-2021

Answer: [tex]x = - 5[/tex]

Step-by-step explanation:

[tex]3^{-x} = 243[/tex]

[tex]3^{-x} = 3^{5}[/tex]

[tex]-x = 5[/tex]

[tex]x = -5[/tex]

Answer Link

Otras preguntas

two sides of a rectangular fence are 5 5/ 8 feet long. the other two sides are 6 1/4 feet long. what is the perimeter

what is 20% of 145 is what number

A 180 ft long board is cut into 3 pieces. The second piece of board is twice as long as the first. The third piece of board is six times as long as the first. W

You can walk 1 3/4 miles in a half hour. what is your average speed?(help meee)

Which is George Mason's greatest contribution to the United States? a. leading the support for the Bill of Rights b. convincing states to ratify the U.S. Const

0.48m divided by 8 equals

is 2/3 greater than 5 / 8?

what is the theme for the monsters are due on maple street?? NEED ANSWER NOW PLEASE

What impact did German U-Boats have on allied shipping during WW1 ?

if 120% is £360 what is 100%