rehamalhrfe rehamalhrfe
  • 03-08-2020
  • Mathematics
contestada

find the sum 7+7(2)+7(2^2)+...+7(2^9)​

Respuesta :

MathPhys
MathPhys MathPhys
  • 03-08-2020

Answer:

7161

Step-by-step explanation:

7 + 7(2) + 7(2)² + ... + 7(2)⁹

= ∑₁¹⁰ 7(2)ⁿ⁻¹

= 7 (1 − 2¹⁰) / (1 − 2)

= 7161

Answer Link

Otras preguntas

Determine the simple interest paid after 3 months on a loan of 9,700 dollars borrowed at an annual interest rate of 11%.
10 quater to 12 dimes , to 16 nickels
What is 1/3 of 126 and and also what is 3/4 of 126
List 2 continents whose edges are not all plate boundaries
How many more equal sides does an equilateral triangle have than a right isosceles triangle?
What new information can you add to your definition of physical change ?
the morning temperature in Fargo, north Dakota is -28 degrees F. in the afternoon the temperature is 19 degrees F and at night the temperature is 2 degrees F. w
What multiplies to give me -600 but adds to give me 10
the rock cycle indicates that each type of rock: a.) can provide materials to make other rocks b.) can form other rocks c.) can be changed by natural processes
What's the first step to making a law?