The population of a local species of dragonfly can be found using an infinite geometric series where a1 = 36 and the common ratio is one half . Write the sum in sigma notation and calculate the sum that will be the upper limit of this population.

Gigi earned $65 for 5 hours of gardening. she earned $90 for 9 hours of office work. which statement correctly compares gigi’s earning per hour for gardening and office work? she earned $3 more per hour for office work than for gardening. she earned $4 more per hour for office work than for gardening. she earned $3 more per hour for gardening than for office work. she earned $4 more per hour for gardening than for office work.