Answer:
After 46 years, the population of this country will be doubled.
Step-by-step explanation:
Given that,
The population of a certain country is growing rate 1.5%.
The formula for this is

t= time in years
k=population growth rate.
Here k=1.5%
= 0.015

≈46 years
After 46 years, the population of this country will be doubled.
Multiply 270 × 7/100, which equals to 18.9, and then subtract 270 - 18.9, which gives you 251.1.
D.) 800, u add 5 dollars interest rate every time u go up 100 dollars
Answer: B 4 points
Mean: add up all the numbers then divide it by how many numbers there are.
10+3+2+5+0 =20
20/5 = 4