Suppose you wish to have exactly 100000 in 20 years how much should one invest today assuming a 5% interest rate compounded continuously? Please help me.

In the geometric progression –3, 12, −48… what term is 3,072?

2.5 milligrams is equivalent to how many grams

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.