Answer: About 16 years
Step-by-step explanation:
The formula to find the compound amount if compounded continuously is given by :-
, where P is Principal amount, r is the rate of interest ( in decimal) and t is time ( in years).
Given : P= $1000 ; r= 4.6%=0.046
let t be the time it will take to double the amount, the we have
Dividing 1000 both sides, we get
Taking natural log on each side, we get
Hence, it will take about 16 years to double the amount.
Answer:
Step-by-step explanation:
first of all arrange this data from ascending to descending order.
11,15,15,15,16,17,18,19,20,22,23
use formula
N+1/4 (N means no of observations)
11+1/4
12/4
3 rd term
therefore Q1=15
Answer:
it will take him <u>9 weeks </u>to earn the rest of what he needs.
Step-by-step explanation:
if he already has $105, then he will need $270 more.
Divide 270 by 30(the amount of money he gets each week) and you will get <u>9</u>.
7 ^ 1/5 ^ 5
power to a power is multiplied
7 ^ (1/5 *5)
7^1
7
Choice A
