Question

Find the sum of the first four terms of the geometric series 100 + 50 + 25 + ...

Answer 1

Decimal:

100 + 50 + 25 + 12.5 + 6.25 + 3.125 + 1.5625

Fraction:

`100 +50+25 + 12(1)/(2)+6(1)/(4)+3(1)/(8)+1(9)/(16)`