Dayton3456 Dayton3456
  • 02-05-2019
  • Mathematics
contestada

Please answer I’ll rate brainlyest

Please answer Ill rate brainlyest class=

Respuesta :

kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 02-05-2019

Answer:

The third choice is correct

Step-by-step explanation:

The given expression is

[tex]2^n-1[/tex]

when n=7, we substitute into the formula to obtain;

[tex]2^7-1[/tex]

Note that;

[tex]2^7=2\times 2\times 2\times 2\times 2\times 2\times 2=128[/tex]

[tex]2^7-1=128-1=127[/tex]

The third choice is correct

Answer Link

Otras preguntas

David bought a game on sale for $6 less than half its original price.she paid $88 for the jacket. What was the original price
What served as the basic building blocks of African society?1: feudal contracts2: lineage groups3: slaves4: camel caravans
What factors add to get -18 and multiply to get 75?
Kenji buys 3 yards of fabric for $7.47. Then he realizes that he needs 2 more yards. How much will the extra fabric cost?
Estimate 46/6,725, then find the quotient.
A plane flies round-trip to Philadelphia. If flies to Philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour. If the total trip
which term better describes political parties in american politics: division or unifying?
Write five names for 64 .
how must a projectile be launched in order to maximize its range?
How do I write an equation in slope intercept form from; Slope 3, y-intercept at -4